Malicious PDF — malware analysis report

Static analysis result for SHA-256 72f28f9265dde37a…

MALICIOUS

PDF

13.4 KB Created: 2020-03-18 23:50:00 +00:00 Authoring application: mPDF 5.7
MD5: a77e6eb961027911d7c5bbf3df244d5f SHA-1: 24bb86cead57eee9253214ca45b84d6a3a4c128d SHA-256: 72f28f9265dde37a5eb97de6758b9a91d53e6e22dd9b2ef90c1667438863fddc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the presence of embedded URLs within the PDF structure indicates potential for malicious redirection. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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://owlaokopdf.myhome.cx/181608169816181618161/Lilly-Peppertree-Lilly-s-Spell-by-Julie-Hodgson.pdf
    • http://owlaokopdf.myhome.cx/481688166816981688166/Tanks-for-the-Memories-Floatation-Tank-Talks-by-John-C-Lilly.pdf
    • http://owlaokopdf.myhome.cx/881698161816881688167/The-Lilly-Stars-Lilly-Stars-1-by-Erin-Waters.pdf
    • http://owlaokopdf.myhome.cx/381618161816381658167/King-of-the-Dollhouse-by-Patricia-Clapp.pdf
    • http://owlaokopdf.myhome.cx/18164816081678160/Witches-Children-by-Patricia-Clapp.pdf
    • http://owlaokopdf.myhome.cx/481638166816781668160/The-Road-to-Ubar-Finding-the-Atlantis-of-the-Sands-by-Nicholas-Clapp.pdf
    • http://owlaokopdf.myhome.cx/381658169816681668160/Gold-and-Silver-in-the-Mojave-Images-of-a-Last-Frontier-by-Nicholas-Clapp.pdf
    • http://owlaokopdf.myhome.cx/781658161816381668161/The-Inseparables-by-Sara-Lilly.pdf
    • http://owlaokopdf.myhome.cx/981688164816981638167/The-Romance-Report-by-Amy-E-Lilly.pdf
    • http://owlaokopdf.myhome.cx/181688168816881618161/The-Girl-and-the-Genie-by-E-M-Lilly.pdf
    • http://owlaokopdf.myhome.cx/281668169816181648166/Red-Haze-by-Adrian-W-Lilly.pdf
    • http://owlaokopdf.myhome.cx/781658161816381658167/The-Inseparables-by-Sara-Lilly.pdf
    • http://owlaokopdf.myhome.cx/681648166816081678169/Nothing-Less-Than-Love-by-Lilly-LaRue.pdf
    • http://owlaokopdf.myhome.cx/181628164816281688168/A-Thousand-Little-Secrets-by-Suzanne-Lilly.pdf
    • http://owlaokopdf.myhome.cx/881698161816981628163/Lilly-s-Surrender-by-Jenika-Snow.pdf
    • http://owlaokopdf.myhome.cx/981648167816581618163/The-Unbelievers-The-Awakening-2-by-Lisa-M-Lilly.pdf
    • http://owlaokopdf.myhome.cx/181608165816081678165/Lilly-Edward-by-Isaac-du-Toit.pdf
    • http://owlaokopdf.myhome.cx/381628169816081618164/Death-Lilly-by-Rebecca-Nolan.pdf
    • http://owlaokopdf.myhome.cx/481698165816181658168/Rebarkable-Lilly-by-Melinda-Elliott.pdf
    • http://owlaokopdf.myhome.cx/481618163816281678164/Lilly-s-Surrender-Redemption-3-by-Liz-Andrews.pdf

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