Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca2e7b98a72d6cdd…

MALICIOUS

PDF

21.2 KB Created: 2019-04-30 03:39:03 +01:00 Authoring application: mPDF 5.7
MD5: 1f13e52a6d5f178c02d64dd31e7d36c5 SHA-1: d16bc7664a722c5854458b10fab6cf31c8c67123 SHA-256: ca2e7b98a72d6cdd489f4d1295dfbbd1255f172d212ec5c264748c4d70f642c4
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm. While the ML classifier strongly suggests maliciousness, the specific intent beyond SEO manipulation or potentially hosting further malicious content is unclear due to the lack of executable scripts. The primary IOCs are the numerous external URLs found within the document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://muicuiu.dumb1.com/5a02a01a02a06a04/These-Few-Lines-A-Convict-Story-The-Lost-Lives-of-Myra-amp-William-Sykes-by-Graham-Seal.pdf
    • http://muicuiu.dumb1.com/5a00a07a04a07a07/A-Merciless-Place-The-lost-story-of-Britain-s-convict-disaster-in-Africa-and-how-it-led-to-the-settlement-of-Australia-by-Emma-Christopher.pdf
    • http://muicuiu.dumb1.com/2a07a01a08a09a08/A-Prophet-with-Honor-The-Billy-Graham-Story-by-William-C-Martin.pdf
    • http://muicuiu.dumb1.com/4a09a07a08a02a03/The-Leadership-Secrets-of-Billy-Graham-by-Harold-Myra.pdf
    • http://muicuiu.dumb1.com/9a05a04a00a05a09/The-Story-of-Atlantis-and-the-Lost-Lemuria-by-William-Scott-Elliot.pdf
    • http://muicuiu.dumb1.com/9a08a04a03a07a08/DWNTN-Blues---Story-und-XXL-Leseprobe-by-Myra-akan.pdf
    • http://muicuiu.dumb1.com/4a07a09a04a08a01/Myra-Stolen-Innocence-by-Myra-Zhivanevskaya.pdf
    • http://muicuiu.dumb1.com/6a06a09a03a07a01/The-Herbalist-s-Bible-John-Parkinson-s-Lost-Classic-Rediscovered-by-Julie-Bruton-Seal.pdf
    • http://muicuiu.dumb1.com/2a02a09a04a05a05/No-Tan-Lines-Barefoot-William-1-by-Kate-Angell.pdf
    • http://muicuiu.dumb1.com/3a03a07a05a05/Lone-Survivor-The-Eyewitness-Account-of-Operation-Redwing-and-the-Lost-Heroes-of-SEAL-Team-10-by-Marcus-Luttrell.pdf
    • http://muicuiu.dumb1.com/3a00a09a06a01a07/Only-an-Idiot-Gets-Lost-in-Chicago-A-Story-of-Lost-Dreams-by-Mike-Reuther.pdf
    • http://muicuiu.dumb1.com/9a05a04a00a05a05/The-Lost-Stargate-Atlantis-17-by-Jo-Graham.pdf
    • http://muicuiu.dumb1.com/3a01a06a09a04a06/A-Few-Lives-Lost-by-J-Glen-Percy.pdf
    • http://muicuiu.dumb1.com/2a04a03a06a04a00/My-Lives-amp-How-I-Lost-Them-by-Countee-Cullen.pdf
    • http://muicuiu.dumb1.com/3a03a01a05a01a09/Seal-The-Extraordinary-Story-of-One-Woman-s-Remarkable-Relationship-with-the-People-of-the-Sea-by-Fiona.pdf
    • http://muicuiu.dumb1.com/3a06a04a05a02a07/A-Seal-Called-Andre-The-Two-Worlds-Of-A-Maine-Harbor-Seal-by-Harry-Goodridge.pdf
    • http://muicuiu.dumb1.com/5a03a08a05a05a05/Cowboy-SEAL-Homecoming-Navy-SEAL-Cowboys-1-by-Nicole-Helm.pdf
    • http://muicuiu.dumb1.com/6a06a09a04a05a07/Hedgerow-Medicine-Harvest-and-Make-Your-Own-Herbal-Remedies-by-Julie-Bruton-Seal-Matthew-Seal.pdf
    • http://muicuiu.dumb1.com/3a03a07a00a06a08/Romancing-the-SEAL-Hero-s-Honor-Book-2-SEAL-Military-Romance-Series-by-Abigail-Austin.pdf
    • http://muicuiu.dumb1.com/3a03a06a09a09a09/Romancing-the-SEAL-The-Call-of-Duty-Book-1-SEAL-Military-Romance-Series-by-Abigail-Austin.pdf
    • http://muicuiu.dumb1.com/4a07a09a04a08

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