TamperedChef Malware Disguised as Fake PDF Editors Steals Credentials and Cookies

Aug 29, 2025

Cybersecurity researchers have discovered a cybercrime campaign that’s using malvertising tricks to direct victims to fraudulent sites to deliver a new information stealer called TamperedChef.
“The objective is to lure victims into downloading and installing a trojanized PDF editor, which includes an information-stealing malware dubbed TamperedChef,” Truesec researchers Mattias Wåhlén, Nicklas

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