Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc6760ebb546800b…

MALICIOUS

PDF

4.8 KB Created: 2015-06-03 17:02:12 +03:00 Authoring application: DOMPDF
MD5: abaeae811eebff3bd3d04061bd2d97aa SHA-1: 03832e0b9eba0b7f1e4bfcd73fb13d1d649a4efc SHA-256: fc6760ebb546800b986b066753d8d8b45b0369ed5782eb837874642b8588cb30
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs designed to create a link farm, a common tactic for SEO poisoning or redirecting users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior. The document body, while truncated, also contains these URLs and text related to stock trading, suggesting a lure to attract clicks. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier clean score 0.1434

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=2299
    • http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1205
    • http://www.nibl.co.nz/index.php?2015/decision.pdf&angzv=1&aspx=1893
    • http://www.prequine.com/index.php?2015/torcida.pdf&fcldj=1&aspx=634
    • http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=2010
    • http://veranomusical.es/index.php?2015/booboodigital.pdf&ieycq=1&aspx=sitemap