Security: Zeus botnet exploits unpatched PDF flaw

Researchers spot first widespread attack using Reader, Acrobat design flaw

The Zeus botnet is now using an unpatched flaw in Adobe's PDF document format to infect users with malicious code, security researchers said today.

The attacks come less than a week after other experts predicted that hackers would soon exploit the "/Launch" design flaw in PDF documents to install malware on unsuspecting users' computers.

Zeus botnet exploits unpatched PDF flaw