Shoulder surfing a malicious PDF author

Friday, 14 November 2008, 12:15 AM EST

Ever since I read about the incremental updates feature of the PDF file format, Iíve been patiently waiting for a malicious PDF document with incremental updates to come my way. Thanks to Bojan, that day has finally arrived. The 2 malicious PDF documents I received (data.pdf and info.pdf) both exploit the same Acrobat JavaScript util.printf vulnerability.

data.pdf is very interesting to me: itís one PDF file containing 5 incremental updates, essentially bringing us an archeological record of the malware authorís trial-and-error session. So letís start uncovering what the malware writer has been up to.

At Didier Stevens' blog.

[ Read more ]




Spotlight

New Zeus variant targets users of 150 banks

Posted on 19 December 2014.  |  A new variant of the infamous Zeus banking and information-stealing Trojan has been created to target the users of over 150 different banks and 20 payment systems in 15 countries, including the UK, the US, Russia, Spain and Japan.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Mon, Dec 22nd
    COPYRIGHT 1998-2014 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //