PDF exploits 80% of all attacks in 2009

Highlights of report from scansafe report

45% of all Web malware encounters in 2009 were with exploits and iframes indicative of compromised websites;

Malicious PDF files comprised 56% of Web-encountered exploits in 1Q09, growing to 80% of all exploits by 4Q09; Flash exploits encountered via the Web dropped from 40% in 1Q09 to 18% in 4Q09;

Web-encountered exploits in Word and Excel comprised less than 1% of all detected exploits for the year;

Malicious image files comprised 10% of all Web malware encountered in 2009;

http://scansafe.com/downloads/gtr/2009_AGTR.pdf