Malicious PDF — malware analysis report

Static analysis result for SHA-256 9344b2dc1a9f0042…

MALICIOUS

PDF

14.7 KB Created: 2019-06-13 11:40:54 +01:00 Authoring application: mPDF 5.7 First seen: 2021-11-20
MD5: 2b885361717526106987996e8ce9a7b9 SHA-1: d6c607b61cc66ba0cf6b9ceead7660b282703294 SHA-256: 9344b2dc1a9f0042049499e016bf896b1920a6b7b84a34920a969a3dee85416b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links pointing to external PDF files hosted on the domain 'cefasfese.4pu.com'. This behavior is indicative of a link farm or SEO manipulation tactic, often used to distribute malicious content or drive traffic. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://cefasfese.4pu.com/7732738731733733/Si-tu-savais-by-Philippe-FONTANEL.pdf In PDF document text
    • http://cefasfese.4pu.com/7732738731736730/Le-sava-s-tu-by-Felix-H-Cortez.pdfIn PDF document text
    • http://cefasfese.4pu.com/7732738732731731/Je-ne-me-savais-pas-gay-by-Fiona-Eros.pdfIn PDF document text
    • http://cefasfese.4pu.com/7739730737737738/L-Education-Artistique-Dans-L-Action-Educative-by-Simone-Fontanel-Brassart.pdfIn PDF document text
    • http://cefasfese.4pu.com/5739739739738734/Film-Realise-Par-Philippe-de-Broca-Le-Magnifique-L-Homme-de-Rio-Philippe-de-Broca-on-a-Vole-La-Cuisse-de-Jupiter-L-Incorrigible-by-Source-Wikipedia.pdfIn PDF document text
    • http://cefasfese.4pu.com/1732735734731735/Memory-by-Philippe-Grimbert.pdfIn PDF document text
    • http://cefasfese.4pu.com/8731736734738733/Roosters-by-Philippe-Schlienger.pdfIn PDF document text
    • http://cefasfese.4pu.com/6736732735738737/What-is-the-West-by-Philippe-Nemo.pdfIn PDF document text
    • http://cefasfese.4pu.com/7736739739738736/O-en-tais-je-by-Philippe-Beaussant.pdfIn PDF document text
    • http://cefasfese.4pu.com/4734733734735738/Delirius-by-Philippe-Druillet.pdfIn PDF document text
    • http://cefasfese.4pu.com/2734735736733737/The-Investigation-by-Philippe-Claudel.pdfIn PDF document text
    • http://cefasfese.4pu.com/9730739731736738/Verdun-by-Philippe-P-tain.pdfIn PDF document text
    • http://cefasfese.4pu.com/6732733731731734/Regards-Croises-by-Philippe-Bootz.pdfIn PDF document text
    • http://cefasfese.4pu.com/3736734732738732/Memory-by-Philippe-Grimbert.pdfIn PDF document text
    • http://cefasfese.4pu.com/9736733733738/The-Story-of-Edward-by-Philippe-Dumas.pdfIn PDF document text
    • http://cefasfese.4pu.com/6736737736734739/Eloge-de-La-Traversee-by-Philippe-Piguet.pdfIn PDF document text
    • http://cefasfese.4pu.com/2733737732/The-6-41-to-Paris-by-Jean-Philippe-Blondel.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730733730736733/Immigrants-Your-Country-Needs-Them-by-Philippe-Legrain.pdfIn PDF document text
    • http://cefasfese.4pu.com/1733736739733735/The-Spoiled-Children-by-Philippe-H-riat.pdfIn PDF document text
    • http://cefasfese.4pu.com/7735734739734736/The-Wounded-King-by-Philippe-Boulle.pdfIn PDF document text

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