Malicious PDF — malware analysis report

Static analysis result for SHA-256 083014a24bb91e2d…

MALICIOUS

PDF

16.0 KB Created: 2020-03-18 21:22:30 +00:00 Authoring application: mPDF 5.7
MD5: 12de6fce580a199f62e4e5b6c3d9dca9 SHA-1: f2f64b59b8f9e08386edf0dab891149f092ff9e6 SHA-256: 083014a24bb91e2d3ccacf93e017c1037ca721bf2b53ecb09ab2b362ef034a42
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, as indicated by the 'PDF_SEO_LINK_FARM' heuristic. These links point to external PDF files hosted on a suspicious domain, suggesting a link farm or SEO poisoning attack. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the embedded links are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://ieuicufioao.myhome.cx/8551550553559/Mr-Stink-by-David-Walliams.pdf
    • http://ieuicufioao.myhome.cx/3551552550553556/The-Boy-in-the-Dress-by-David-Walliams.pdf
    • http://ieuicufioao.myhome.cx/7551559555559/Awful-Auntie-by-David-Walliams.pdf
    • http://ieuicufioao.myhome.cx/5558550553550/The-Four-Secrets-Your-Dentist-Never-Told-You-White-Teeth-Pink-Gums-Fresh-Breath-for-Life-The-4-Secrets-Your-Dentist-Never-Told-You-Book-1-by-Garry-Bonsall.pdf
    • http://ieuicufioao.myhome.cx/3550557550551558/Iron-Man-Demon-in-a-Bottle-by-David-Michelinie.pdf
    • http://ieuicufioao.myhome.cx/6559554557555554/Where-There-Is-No-Dentist-by-Murray-Dickson.pdf
    • http://ieuicufioao.myhome.cx/8552550552552555/Visiting-the-Dentist-by-Charlotte-Guillain.pdf
    • http://ieuicufioao.myhome.cx/9557554550550552/The-Dentist-Can-Cook-by-Fatima-Sameena-Sharif.pdf
    • http://ieuicufioao.myhome.cx/9557554550556550/The-Dentist-Can-Cook-by-Dr-Fatima-Sameena-Sharif.pdf
    • http://ieuicufioao.myhome.cx/1552550556552/California-Demon-Demon-Hunting-Soccer-Mom-2-by-Julie-Kenner.pdf
    • http://ieuicufioao.myhome.cx/4556551550550556/Deja-Demon-Demon-Hunting-Soccer-Mom-4-by-Julie-Kenner.pdf
    • http://ieuicufioao.myhome.cx/1559557557554554/The-Demon-Always-Wins-Touched-by-a-Demon-1-by-Jeanne-Oates-Estridge.pdf
    • http://ieuicufioao.myhome.cx/2559559552554557/A-Demon-in-the-Desert-Grimluk-Demon-Hunter-1-by-Ashe-Armstrong.pdf
    • http://ieuicufioao.myhome.cx/2550557557551553/The-Dangerous-Book-for-Demon-Slayers-Demon-Slayer-2-by-Angie-Fox.pdf
    • http://ieuicufioao.myhome.cx/2553552559558557/Demon-Ex-Machina-Demon-Hunting-Soccer-Mom-5-by-Julie-Kenner.pdf
    • http://ieuicufioao.myhome.cx/2550558553554556/The-Demon-Trapper-s-Daughter-A-Demon-Trappers-Novel-by-Jana-Oliver.pdf
    • http://ieuicufioao.myhome.cx/4552555557555557/The-Demon-You-Know-Demon-Hunting-Soccer-Mom-4-5-by-Julie-Kenner.pdf
    • http://ieuicufioao.myhome.cx/2550556553557557/Demon-s-King-High-Demon-3-by-Connie-Suttle.pdf
    • http://ieuicufioao.myhome.cx/1555554559554559/The-Demon-Calumnius-The-Repentant-Demon-1-by-Samantha-Johns.pdf
    • http://ieuicufioao.myhome.cx/1555556559553559/The-Demon-Re-Born-The-Repentant-Demon-2-by-Samantha-Johns.pdf

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