Android PDF Ad Scam: Fake ‘Update PDF App’ Pop-Ups Are Flooding Phones With Junk Apps (Nov 28, 2025)
A deceptive ad in WPS Office on an Android phone mimicked a system alert, prompting a user to install multiple junk PDF apps from Google Play. The issue was resolved only after uninstalling WPS Office, which had served the misleading ad. Experts warn similar tactics are used by malware and banking trojans. Google’s enforcement of ad policies remains inconsistent.