Malicious PDF — malware analysis report

Static analysis result for SHA-256 efd3ccfe10dfeb30…

MALICIOUS

PDF

14.8 KB Created: 2019-05-04 10:23:57 +01:00 Authoring application: mPDF 5.7
MD5: fee01b1742c6311da86f375655b83f12 SHA-1: cdac503091d702481006f2eb5de31390f5a812e0 SHA-256: efd3ccfe10dfeb308a23d8bd7dc6403ba50cba2c2d67b176000d5ae0b68a9589
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded links, primarily pointing to book titles hosted on the domain 'cefasfese.4pu.com'. This technique is often used to obscure malicious intent or to distribute further malicious content. While the extracted URLs themselves are marked as benign, the sheer volume and the PDF_SEO_LINK_FARM heuristic indicate a suspicious pattern of link distribution, potentially for SEO manipulation or as a lure for malicious downloads.

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/4734730732730733/Hades-The-Familiar-4-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/1730735737730733733/Redwood-The-Familiar-5-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/1730735737731734733/Rewiring-the-Real-In-Conversation-with-William-Gaddis-Richard-Powers-Mark-Danielewski-and-Don-Delillo-by-Mark-C-Taylor.pdf
    • http://cefasfese.4pu.com/1734731732734730/Only-Revolutions-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/1730735737731735739/Clip-4-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/3733736736737730/The-Whalestoe-Letters-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/3739732737738/House-of-Leaves-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/3732738736735/House-of-Leaves-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/3732734730734730/House-of-Leaves-by-Mark-Z-Danielewski.pdf
    • http://cefasfese.4pu.com/3739735739738738/The-Human-Familiar-Familiar-and-the-Mage-1-by-Honor-Raconteur.pdf
    • http://cefasfese.4pu.com/6736736738738732/Familiar-Oasis-Fear-Familiar-16-by-Caroline-Burnes.pdf
    • http://cefasfese.4pu.com/3738737730732731/Mary-Hades-Mary-Hades-1-by-Sarah-Dalton.pdf
    • http://cefasfese.4pu.com/1730735737730733738/Still-of-the-Night-by-Cynthia-Danielewski.pdf
    • http://cefasfese.4pu.com/1730735737730734732/Night-Moves-by-Cynthia-Danielewski.pdf
    • http://cefasfese.4pu.com/1730735737731735733/Switch---Labyrinth-der-Welten-Teil-2-by-Stefanie-Danielewski.pdf
    • http://cefasfese.4pu.com/9732732734732734/Vampire-Junkies---Jeder-Atemzug-z-hlt-by-Nadine-Danielewski.pdf
    • http://cefasfese.4pu.com/3732736731739735/The-Familiar-Man-by-T-R-Stoddard.pdf
    • http://cefasfese.4pu.com/6734738732737736/No-la-vi-venir-by-Fernanda-Familiar.pdf
    • http://cefasfese.4pu.com/5732738736731734/Familiar-by-J-Robert-Lennon.pdf
    • http://cefasfese.4pu.com/6731731732739737/Hades-by-Alexandra-Adornetto.pdf

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