Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fcb727cb850f1ad…

MALICIOUS

PDF

21.9 KB Created: 2019-06-10 02:44:29 +01:00 Authoring application: mPDF 5.7
MD5: 879ad84bfd91c171890d6a61c25009b4 SHA-1: 6f19ef27fb6247deb8393754bee9f875b886fa51 SHA-256: 7fcb727cb850f1ad6977db6fa8fd403d53eaaa024e26380f8ec3ea7b73e7d3ca
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. These URLs point to various book titles, suggesting an attempt to manipulate search engine results or distribute content. No scripts were extracted from this sample. The primary attack pattern involves leveraging a high volume of external links within the document.

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/1731736736738738736/Tumours-Of-The-Brain-And-Skull-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736739737737/Injuries-of-the-Brain-and-Skull-by-George-W-Bruyn.pdf
    • http://cefasfese.4pu.com/1731736736739737732/Injuries-of-the-Brain-and-Skull-by-George-W-Bruyn.pdf
    • http://cefasfese.4pu.com/5733732736734733/Injuries-of-the-Skull-and-Brain-in-Myth-and-Legend-by-Cyril-B-Courville.pdf
    • http://cefasfese.4pu.com/1731736736737736734/Neuro-Oncology-Part-2-Gliomas-and-Other-Primary-Tumors-of-the-Brain-and-Spinal-Cord-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738738732/Vascular-Diseases-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738739733/Neurobehavioural-Disorders-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738732735/System-Disorders-and-Atrophies-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736737735739/Handbook-of-Clinical-Neurology-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738733738/Spinal-Cord-Trauma-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/6733731733736734/Hadnbook-of-Clin-Neurology-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736737736739/Systemic-Diseases-Part-I-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736737735731/Het-scherp-van-de-snede-de-Nederlandse-literatuur-in-meer-dan-100-polemieken-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738739730/Microbial-Disease-Handbook-of-Clinical-Neurology-Series-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736736738739736/Cumulative-Subject-Index-of-Volumes-1-75-Including-Revised-Series-Volumes-1-31-Part-1-A-E-by-Pierre-Vinken.pdf
    • http://cefasfese.4pu.com/1731736737732738734/Brainlesion-Glioma-Multiple-Sclerosis-Stroke-and-Traumatic-Brain-Injuries-Second-International-Workshop-Brainles-2016-with-the-Challenges-on-Brats-Isles-and-Mtop-2016-Held-in-Conjunction-with-Miccai-2016-Athens-Greece-October-17-2016-Revis-by-Alessandro-Crimi.pdf
    • http://cefasfese.4pu.com/4731730730738737/Skull-Face-and-Others-Skull-Face-Omnibus-Volume-1-by-Robert-E-Howard.pdf
    • http://cefasfese.4pu.com/1731733731736736736/Mozart-s-Brain-and-the-Fighter-Pilot-Unleashing-Your-Brain-s-Potential-by-Richard-Restak.pdf
    • http://cefasfese.4pu.com/4734738731733736/Consciousness-and-the-Brain-Deciphering-How-the-Brain-Codes-Our-Thoughts-by-Stanislas-Dehaene.pdf
    • http://cefasfese.4pu.com/3737735735734734/The-Thin-Woman-s-Brain-Re-wiring-the-Brain-for-Permanent-Weight-Loss-by-Dilia-Suriel.pdf
    • http://cefasfese.4pu.com/67337317337367

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