In 2019, security researchers discovered a "dropper" component in the Android version of , a popular app for digitizing documents. This hidden library was designed to download and execute malicious code without the user’s knowledge, often manifesting as intrusive ads or unauthorized subscriptions.
Apps often ask for "Storage" and "Network" access. For a scanner, this seems normal—but for a hacker, it’s the perfect pipeline to exfiltrate data. CamScanner - PDF Scanner App Hack
Check your Play Store or App Store "Subscriptions" tab for anything you didn't personally authorize. this seems normal—but for a hacker
The hack didn't target the app's core function; it hid in a third-party advertising library. CamScanner - PDF Scanner App Hack
Both iOS (Files/Notes app) and Android (Google Drive) now have built-in document scanners that don't require third-party downloads.