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Detection of Malicious Non-Executable Files Using Syntactic Structure

19.02.2013
A major portion of threats against end-user systems arises from non-executable files, e.g., PDF documents or Flash animations. Such files may contain malicious executable content which is launched when a file is opened in a vulnerable viewer. Such attacks are hard to detect due to the high complexity of respective file formats. Conventional antivirus products often miss malicious content hidden in the rich syntactic structure of file formats.

A research group at the University of Tübingen developed a patent-pending technology: a highly performant static analysis tool for detection of malicious PDF documents. Instead of performing analysis of JavaScript or any other content for detection, the new developed method provides a reliable means for detection of malicious files by focusing precisely on structural artifacts arising from embedded malicious content. The research group could demonstrate its effectiveness on a dataset of about 500,000 real-world malicious and benign PDF files: the new method outperforms each of the 43 antiviruses at VirusTotal and other specialized detection methods. Additionally, the new method is almost completely immune to nearly worst-case attack scenarios.

Further Information: PDF

Eberhard Karls Universität Tübingen
Phone: +49 (7071) 29-72639

Contact
Dr. Rolf Hecker

info@technologieallianz.de | TechnologieAllianz e.V.
Further information:
http://www.technologieallianz.de/angebote.php?sort=sag&id=3038&lang=en
http://www.technologieallianz.de

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