Malicious PDF — malware analysis report

Static analysis result for SHA-256 950e7ac4d6f52ab5…

MALICIOUS

PDF

4.8 KB Created: 2015-06-03 16:39:11 +03:00 Authoring application: DOMPDF
MD5: a082549494042dd62fd073be8e1fb004 SHA-1: 401b2f17949a6d84b2ff2372737639fd63cd51c5 SHA-256: 950e7ac4d6f52ab51382fca226b96176701fbb32f8422e34d604cf6e29c33e61
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, as indicated by the PDF_SEO_LINK_FARM heuristic. These URLs point to various domains and appear to be part of a link farm, likely intended to manipulate search engine rankings or distribute malicious content. No scripts were extracted from this sample, and the document body content is heavily obfuscated and truncated, making it difficult to determine a more specific attack pattern beyond the URL distribution.

Machine Learning

  • Nyx PDF Classifier clean score 0.1559

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://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1801
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=1084
    • http://www.nibl.co.nz/index.php?2015/decision.pdf&angzv=1&aspx=1302
    • http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=1640
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=2205
    • http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap