Combining static and dynamic analysis for the detection of malicious documents

  • Authors:
  • Zacharias Tzermias;Giorgos Sykiotakis;Michalis Polychronakis;Evangelos P. Markatos

  • Affiliations:
  • Institute of Computer Science, Greece;University of Crete, Greece;Columbia University;Institute of Computer Science, Greece

  • Venue:
  • Proceedings of the Fourth European Workshop on System Security
  • Year:
  • 2011

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Abstract

The widespread adoption of the PDF format for document exchange has given rise to the use of PDF files as a prime vector for malware propagation. As vulnerabilities in the major PDF viewers keep surfacing, effective detection of malicious PDF documents remains an important issue. In this paper we present MDScan, a standalone malicious document scanner that combines static document analysis and dynamic code execution to detect previously unknown PDF threats. Our evaluation shows that MDScan can detect a broad range of malicious PDF documents, even when they have been extensively obfuscated.