Malicious PDF — malware analysis report

Static analysis result for SHA-256 3aadbb871d77b7fc…

MALICIOUS

PDF

18.4 KB Created: 2020-03-18 22:32:44 +00:00 Authoring application: mPDF 5.7
MD5: fbf7cf0fd778743c1dfdf3dcf6e2dabf SHA-1: c5d27e47c3713b4554f907fe61d21795a50e99fb SHA-256: 3aadbb871d77b7fc760785d5563e20732e6f82cc844be860dcf0962ea4422f4a
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs are likely intended to redirect users to potentially harmful content hosted on the 'easckaolp.myhome.cx' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9775

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://easckaolp.myhome.cx/4849842843843847/The-Carpenter-s-Pencil-by-Manuel-Rivas.pdf
    • http://easckaolp.myhome.cx/5840849846844841/-Qu-me-quieres-amor-by-Manuel-Rivas.pdf
    • http://easckaolp.myhome.cx/1840847848840841845/Wander-Reiten-um-die-Welt-Oskar-reitet-in-Indien-Tibet-China-T-rkei-Nord-und-S-damerika-by-Manuel-Sauda-Sauda-Manuel.pdf
    • http://easckaolp.myhome.cx/7845842844848844/Malek-Adhel-by-ngel-de-Saavedra-Duque-de-Rivas-.pdf
    • http://easckaolp.myhome.cx/1845844848847845/Brave-A-Painfully-Shy-Life-by-Helen-Rivas-Rose.pdf
    • http://easckaolp.myhome.cx/3846844847845840/Beautiful-Jim-Key-The-Lost-History-of-a-Horse-and-a-Man-Who-Changed-the-World-by-Mim-Eichler-Rivas.pdf
    • http://easckaolp.myhome.cx/3849840844841848/The-Reunion-by-A-A-Pencil.pdf
    • http://easckaolp.myhome.cx/5841842848846841/The-Colour-Pencil-by-Liow-Yuting.pdf
    • http://easckaolp.myhome.cx/2842845849846840/Pencil-Of-Doom-by-Andy-Griffiths.pdf
    • http://easckaolp.myhome.cx/3848844849849842/The-Pencil-Case-by-Lorraine-Cobcroft.pdf
    • http://easckaolp.myhome.cx/3846843848841842/Lark-and-the-Magic-Pencil-by-A-M-Butcher.pdf
    • http://easckaolp.myhome.cx/4841844848845842/The-Cowboy-and-the-Pencil-Pusher-by-S-C-Wynne.pdf
    • http://easckaolp.myhome.cx/1846847843846/Woman-with-a-Blue-Pencil-by-Gordon-McAlpine.pdf
    • http://easckaolp.myhome.cx/5841847848843843/Ode-to-the-Heart-Smaller-than-a-Pencil-Eraser-by-Luisa-A-Igloria.pdf
    • http://easckaolp.myhome.cx/4847848846849840/I-Am-a-Pencil-A-Teacher-His-Kids-and-Their-World-of-Stories-by-Sam-Swope.pdf
    • http://easckaolp.myhome.cx/4842843849849843/Drawing-Portraits-in-Colored-Pencil-from-Photographs-by-Lee-Hammond.pdf
    • http://easckaolp.myhome.cx/9846847845844840/Conversations-with-Manuel-Castells-by-Manuel-Castells.pdf
    • http://easckaolp.myhome.cx/1843844844843847/Marianne-Dreams-The-Magic-Drawing-Pencil-1-by-Catherine-Storr.pdf
    • http://easckaolp.myhome.cx/1840840845843/The-Promise-of-a-Pencil-How-an-Ordinary-Person-Can-Create-Extraordinary-Change-by-Adam-Braun.pdf
    • http://easckaolp.myhome.cx/5842845848848849/Getting-Started-Discover-your-quot-inner-artist-quot-as-you-explore-the-basic-theories-and-techniques-of-pencil-drawing-by-Carol-Rosinski.pdf
    • http://easckaolp.myhome.cx/3846844847845840/Beautiful-Jim-Key-The-Lost-Hi

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