Malicious PDF — malware analysis report

Static analysis result for SHA-256 09421677201ae3b0…

MALICIOUS

PDF

15.8 KB Created: 2020-03-18 11:29:19 +00:00 Authoring application: mPDF 5.7
MD5: 188ede2a68c9a476383c6b97afe345e5 SHA-1: b3e7163490f165161ed79108c5a1205d6010af9d SHA-256: 09421677201ae3b0879d93cfa052ae486a8990a4628877030a5d042fb874909f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially harmful content, possibly leveraging JavaScript for obfuscation or redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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://lwoscmobook.myhome.cx/752435241524352415243/Manderley-Forever-The-Life-of-Daphne-du-Maurier-by-Tatiana-de-Rosnay.pdf
    • http://lwoscmobook.myhome.cx/752435241524152415248/Murder-on-the-Cliffs-A-Daphne-du-Maurier-Mystery-Daphne-du-Maurier-Mysteries-1-by-Joanna-Challis.pdf
    • http://lwoscmobook.myhome.cx/252455240524852415245/Sarah-s-Key-by-Tatiana-de-Rosnay.pdf
    • http://lwoscmobook.myhome.cx/152485244524152435247/Sarah-s-Key-by-Tatiana-de-Rosnay.pdf
    • http://lwoscmobook.myhome.cx/252475244524452435240/The-Other-Story-by-Tatiana-de-Rosnay.pdf
    • http://lwoscmobook.myhome.cx/1524352425243/A-Paris-Affair-by-Tatiana-de-Rosnay.pdf
    • http://lwoscmobook.myhome.cx/752435241524152475241/Daphne-A-Portrait-of-Daphne-Du-Maurier-by-Judith-Cook.pdf
    • http://lwoscmobook.myhome.cx/752435241524152475249/The-Young-George-Du-Maurier-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/652485249524952405243/Elle-s-appelait-Sarah-de-Tatiana-de-Rosnay-Fiche-de-lecture-Comprendre-la-litt-rature-avec-lePetitLitt-raire-fr-by-C-cile-Perrel.pdf
    • http://lwoscmobook.myhome.cx/45245524552465240/Don-t-Look-Now-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/252415245524552425240/Julius-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/352475246524752485242/Rebecca-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/452485245524252405248/Rebecca-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/452425240524452435248/Jamaica-Inn-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/352405242524852475244/Jamaica-Inn-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/35245524252415246/Jamaica-Inn-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/25246524952415249/Rebecca-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/352475246524952485241/Rebecca-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/452495241524252455244/Castle-Dor-by-Daphne-du-Maurier.pdf
    • http://lwoscmobook.myhome.cx/152475242524952445247/Jamaica-Inn-by-Daphne-du-Maurier.pdf

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