Adobe Acrobat Reader (Android / Google Play)

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This application is available for Android. This app is designed to use an application from the trusted leader for reliably viewing, annotating and signing PDFs. The latest build was released on May 25, 2017. Our latest check was performed on Oct 7th, 2016.

Findings Summary

Our examination revealed total 33 items, where were 15 DAR items and 18 DIT items found. Among DAR items were found 0 worst items, 15 bad items, 0 good items, and 0 best items. Among DIT items were found 0 worst items, 0 bad items, 18 good items, and 0 best items.

Below you find 2 infographics summarizing what we described above. Each image provides information about both DAR and DIT items.

 

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Everything presented below is related to well-known CWEs, such as Sensitive data leakage [CWE-200], Unsafe sensitive data storage [CWE-312], Unsafe sensitive data transmission [CWE-319]. You can read more about it here.

Now let’s go deeper and examine each data item’s protection level.

Application Description

Let’s cite the description of this application below:

Adobe Acrobat Reader is the free, trusted leader for reliably viewing, annotating, and signing PDFs.
VIEW PDFs

  • Quickly open PDF documents from email, the web, or any app that supports “Share.”
  • Search, scroll, and zoom in and out.
  • Choose Single Page, Continuous scroll, or Reading mode.

ANNOTATE AND REVIEW PDFs

  • Make comments on PDFs using sticky notes and drawing tools.
  • Highlight and mark up text with annotation tools.
  • View and work with annotations in the comments list.

SCAN DOCUMENTS AND WHITEBOARDS

  • Use your device camera to snap a photo of anything—a document, whiteboard, form, picture, receipt, or note—and save it as a PDF.
  • Scan multiple document pages into a single PDF and reorder them as desired.
  • Easily save and share scanned PDFs.
  • Enhance your camera images with improved boundary detection, perspective correction, and text sharpness.
  • Requires Android 4.4 KitKat+.

FILL AND SIGN FORMS

  • Quickly fill out PDF forms by typing text into fields.
  • Use your finger to e-sign any PDF document.

PRINT, STORE AND SHARE FILES

  • Sign in to your free Adobe Document Cloud account.
  • Connect your Dropbox account.
  • Print documents from your Android device.

IN-APP PURCHASE
Convert PDFs and organize pages on the go by subscribing to one of Adobe’s online services. You can get started without ever leaving your app, and subscriptions work across all your computers and devices.
ORGANIZE PAGES IN PDF FILES

  • Subscribe to Acrobat Pro DC using In-App Purchase.
  • Reorder, rotate, and delete pages in your PDFs.

CREATE PDF FILES

  • Subscribe to Adobe PDF Pack using In-App Purchase.
  • Create PDF files.
  • Convert Microsoft Office files and images to PDF.

EXPORT PDF FILES TO WORD OR EXCEL

  • Subscribe to Adobe Export PDF using In-App Purchase.
  • Save PDF documents as editable Microsoft Word or Excel files.

ALREADY A SUBSCRIBER?
If you have a subscription to Acrobat Pro, Acrobat Standard, PDF Pack, or Export PDF, just sign in to convert and export PDFs on the go.
AVAILABLE LANGUAGES
English, Chinese Simplified, Chinese Traditional, Czech, Danish, Dutch, Finnish, French, German, Italian,
Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish and Turkish
PRICE
Acrobat Reader for Android is free.
By downloading, you agree to the Terms of Use at http://www.adobe.com/special/misc/terms.html.

Protection levels.

Locally stored data (Data-at-Rest, DAR).

Locally stored data groups include Documents Information, Log Information, Device Information, Account Information, Application Information, Credentials Information, Storage Information.
The average DAR value is 3.57 points (6.87 points of system protection and 0.27 points of own protection). It is higher than a typical value (3.5 points, where’s 7 points of system protection and 0 points of own protection).

Items’ GROUP #1 with average value 3.50 points (7 points of system protection, 0 points of own protection) means data protection levels have following definitions. Frankly talking, extra data found that shouldn’t be accessed where system protection level means – root/jailbreak is required but not possible without wiping device data, and own protection level means – stored as is.

– Sync Documents (‘Documents Information’ Group) – Documents synchronized or locally stored on your device as is or converted into another file formats (like.pdf or set of separated jpg file per each .pdf file. This data item related to mentioned group meant to be any documents stored locally, uploaded, downloaded, synchronized in any file format,

– Document Details (‘Documents Information’ Group) – Common info about documents synchronized or stored locally (properties like size, date and time, etc.). This data item related to mentioned group meant to be any documents stored locally, uploaded, downloaded, synchronized in any file format,

– Local ‘n’ Network Paths (‘Documents Information’ Group) – Paths about local or networks directories, folders, files. This data item related to mentioned group meant to be any documents stored locally, uploaded, downloaded, synchronized in any file format,

– Document List (‘Documents Information’ Group) – The list of documents stored local or synchronized over the Internet. This data item related to mentioned group meant to be any documents stored locally, uploaded, downloaded, synchronized in any file format,

– Application Events (‘Log Information’ Group) – App events referred to user actions ‘n’ activities were done. This data item related to mentioned group meant to be any information stored in local or network logs,

– Environment (‘Device Information’ Group) – Different info about the environment of the device including apps lists, device info, OS name and versions, updates, a list of users, network details, etc. This data item related to mentioned group meant to be details about your device,

– Account Data (‘Account Information’ Group) – Basic info about account like name, a list of sub-account (e.g. financial or other) and some linked data like a phone number. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Application Configs (‘Application Information’ Group) – Different configuration files created by your app, perhaps app permissions. This data item related to mentioned group meant to be any info related to the app, app settings, including installed apps or installers,

– Account Settings ‘n’ Configs (‘Account Information’ Group) – Information about your account settings and configurations. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Credentials (IDs) (‘Credentials Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (Tokens) (‘Storage Information’ Group) – Different tokens used to get access to your account, except for passwords but including app or 3rd party tokens, secret keys, etc. (usually give full access to your account). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Sync Documents (‘Storage Information’ Group) – Documents synchronized or locally stored on your device as is or converted into another file formats (like.pdf or set of separated jpg file per each .pdf file. This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Document Details (‘Storage Information’ Group) – Common info about documents synchronized or stored locally (properties like size, date and time, etc.). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Local ‘n’ Network Paths (‘Storage Information’ Group) – Paths about local or networks directories, folders, files. This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on

Items’ GROUP #2 with average value 4.50 points (5 points of system protection, 4 points of own protection) means data protection levels have following definitions. Frankly talking, data available if it’s allowed only and may require user action where system protection level means – stored in temporary folders are cleaning from time to time, and own protection level means – the old algorithm, wrong encryption modes, raw encryption, etc.

– Credentials (Passwords) (‘Storage Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on

Keep in mind if you’re using some Android devices such Samsung, LG or another device with an unlocked or non-locked loader that allow rooting your device without user action, the system level equals 6 points instead of 7. It means your data can be stolen without involving your actions.

Transferred data (Data-in-Transit, DIT).

Transferred data groups include Device Information, Application Information, Credentials Information, Account Information, Documents Information, Analytics ‘n’ Ads Information, Storage Information.
The average DIT value is 5.00 points (6.00 points of system protection and 4.00 points of own protection). It is higher than a typical value (4 points, where’s 4 points of system protection and 4 points of own protection).

Items with average value 5.00 points (6 points of system protection, 4 points of own protection) means data protection levels have following definitions. Frankly talking, data is not available all the time or partially accessed where system protection level means – MITM prevented or fake certificate importing prevented, but plaintext non-protected traffic is intercepted, and own protection level means – bypassed by fake/stolen root certificates.

– Device Data (‘Device Information’ Group) – Device ID, Device Name, Device OS Name and Version, and jailbroken/root status. This data item related to mentioned group meant to be details about your device,

– Application Configs (‘Application Information’ Group) – Different configuration files created by your app, perhaps app permissions. This data item related to mentioned group meant to be any info related to the app, app settings, including installed apps or installers,

– Environment (‘Device Information’ Group) – Different info about the environment of the device including apps lists, device info, OS name and versions, updates, a list of users, network details, etc. This data item related to mentioned group meant to be details about your device,

– Application Events (‘Application Information’ Group) – App events referred to user actions ‘n’ activities were done. This data item related to mentioned group meant to be any info related to the app, app settings, including installed apps or installers,

– Credentials (IDs) (‘Credentials Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (Passwords) (‘Credentials Information’ Group) – Well-known passwords or PINs you’re using to get access to your account (usually it is worse than tokens because it gives full access to your account). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Credentials (Tokens) (‘Credentials Information’ Group) – Different tokens used to get access to your account, except for passwords but including app or 3rd party tokens, secret keys, etc. (usually give full access to your account). This data item related to mentioned group meant to be any types of credentials including basic (IDs only), passwords, tokens, etc.,

– Account Details (‘Account Information’ Group) – Full info about your account including account membership, expiration, profile, linked data and account, etc. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Document Details (‘Documents Information’ Group) – Common info about documents synchronized or stored locally (properties like size, date and time, etc.). This data item related to mentioned group meant to be any documents stored locally, uploaded, downloaded, synchronized in any file format,

– Log Data (‘Application Information’ Group) – Logged any data as a solid file or multipart files. This data item related to mentioned group meant to be any info related to the app, app settings, including installed apps or installers,

– Environment (‘Analytics ‘n’ Ads Information’ Group) – Different info about the environment of the device including apps lists, device info, OS name and versions, updates, a list of users, network details, etc. This data item related to mentioned group meant to be any info related to analytics services like Flurry, Google Analytics, etc. or advertisements,

– Account Settings ‘n’ Configs (‘Account Information’ Group) – Information about your account settings and configurations. This data item related to mentioned group meant to be any info related to profiles, basic credential IDs like email or username or phone number plus some more info depends on applications,

– Sync Documents (‘Storage Information’ Group) – Documents synchronized or locally stored on your device as is or converted into another file formats (like.pdf or set of separated jpg file per each .pdf file. This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Document Details (‘Storage Information’ Group) – Common info about documents synchronized or stored locally (properties like size, date and time, etc.). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Local ‘n’ Network Paths (‘Storage Information’ Group) – Paths about local or networks directories, folders, files. This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Account Data (‘Storage Information’ Group) – Basic info about account like name, a list of sub-account (e.g. financial or other) and some linked data like a phone number. This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Credentials (IDs) (‘Storage Information’ Group) – Only account IDs like app or 3rd party user IDs including emails, phone number, usernames, etc. (depends on apps). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on,

– Credentials (Tokens) (‘Storage Information’ Group) – Different tokens used to get access to your account, except for passwords but including app or 3rd party tokens, secret keys, etc. (usually give full access to your account). This data item related to mentioned group meant to be any information referred to storage like credentials, settings, documents and so on

Keep in mind if you’re using out-of-date Android < 7.0, the system level equals 4 points instead of 6. It means your data can be stolen with a crafted preinstalled certificate on the device or if someone makes you install a certificate. Also, if you’re using out-of-date Android < 5.0, the system level equals 2 points instead of 4. It means your data can be stolen without involving your actions.

Privacy Policy

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