Malicious PDF — malware analysis report

Static analysis result for SHA-256 be21806376b5c8d5…

MALICIOUS

PDF

5.0 KB Created: 2015-06-03 16:39:53 +03:00 Authoring application: DOMPDF
MD5: 27922c647200d6d6d59cb5f5df050449 SHA-1: 4fb915daa647dbf1753a69f29e2e2ceb9ab0af09 SHA-256: be21806376b5c8d51206012424f22392513d25a3a4182544f9edc8b528648821
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These links are likely intended to manipulate search engine rankings or redirect users to malicious websites. No scripts were extracted from this sample, and the document body primarily consists of SEO-related keywords and the aforementioned URLs.

Machine Learning

  • Nyx PDF Classifier clean score 0.1330

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://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=2329
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=2337
    • http://phcccolorado.org/index.php?2015/arabtera.pdf&effpp=1&aspx=2286
    • http://www.academiafutebolangola.com/index.php?2015/hmdeepfocus.pdf&audtr=1&aspx=211
    • http://www.kbb-gesellschaft.de/index.php?2015/ergoarena.pdf&urggv=1&aspx=1517
    • http://dyrlaegecentret.dk/index.php?2015/typestitch.pdf&hjhle=1&aspx=sitemap

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