Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf018aef35c1902b…

MALICIOUS

PDF

12.2 KB Created: 2015-07-15 16:26:48 +04:00 Authoring application: DOMPDF
MD5: a04917793a2ada01d5214f78dbb88eba SHA-1: ae5fba6e39f6b2bb97fa316213e45fbc68758c48 SHA-256: cf018aef35c1902b8ac227d3578c6cc6992c3bf090fc15de78822d960e2ba238
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a large number of embedded URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates that these URLs are likely part of a link farm, suggesting the document's primary purpose is to direct users to external sites. The document body contains text related to trading and finance, but the overwhelming number of external links points towards a malicious SEO or content redirection scheme rather than legitimate document content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8883

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://chavagnes.com/index.php?article=529.2&urwbo=2&pdf=529
    • http://www.mantrabeautybar.ca/index.php?article=2339.1&rukbv=1&pdf=2339
    • http://power-team.cz/index.php?article=458.3&uwbuc=3&pdf=458
    • http://chavagnes.com/index.php?article=2294.2&urwbo=2&pdf=2294
    • http://dfnotebooks.com.br/index.php?article=894.1&gatis=1&pdf=894
    • http://chavagnes.com/index.php?article=2456.2&urwbo=2&pdf=2456
    • http://intelluride.co/index.php?article=1717.1&gdfls=1&pdf=1717
    • http://bmwt.pt/index.php?article=716.2&qvacx=2&pdf=716
    • http://marcogulf.com/index.php?article=805.1&puzto=1&pdf=805
    • http://chavagnes.com/index.php?article=1904.2&urwbo=2&pdf=1904
    • http://chavagnes.com/index.php?article=676.2&urwbo=2&pdf=676
    • http://chavagnes.com/index.php?article=60.2&urwbo=2&pdf=60
    • http://zomodiet.com/index.php?article=2345.1&tqubb=1&pdf=2345
    • http://chavagnes.com/index.php?article=713.2&urwbo=2&pdf=713
    • http://whereabouts.eu/index.php?article=448.2&ahydd=2&pdf=448
    • http://chavagnes.com/index.php?article=27.2&urwbo=2&pdf=27
    • http://www.lifedreams.es/index.php?article=2112.1&isbrk=1&pdf=2112

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