Malicious PDF — malware analysis report

Static analysis result for SHA-256 47cb86909bbb6368…

MALICIOUS

PDF

20.8 KB Created: 2020-03-20 12:16:59 +00:00 Authoring application: mPDF 5.7
MD5: 8e2b08a3cda36aa54fabb5b265d34b0c SHA-1: dc3d5d33e2a8e8b81a45f97a217101bd1c1daf4e SHA-256: 47cb86909bbb6368385ab4b79fa579fcb71e4f51f60e130011ee72eed6c06e8e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, all pointing to the domain peldoaio.myhome.cx. This suggests a link farm or redirection scheme designed to distribute malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the document. The embedded links are the primary IOCs, likely serving as entry points for further infection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9924

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://peldoaio.myhome.cx/33d83d63d43d43d9/The-Horsecatcher-by-Mari-Sandoz.pdf
    • http://peldoaio.myhome.cx/43d13d53d33d33d7/Crazy-Horse-by-Mari-Sandoz.pdf
    • http://peldoaio.myhome.cx/43d03d13d13d43d8/Crazy-Horse-The-Strange-Man-of-the-Oglalas-by-Mari-Sandoz.pdf
    • http://peldoaio.myhome.cx/43d23d33d53d93d4/Crazy-Horse-The-Strange-Man-of-the-Oglalas-by-Mari-Sandoz.pdf
    • http://peldoaio.myhome.cx/83d43d33d93d83d0/Edouard-Marcel-Sandoz-1881-1971-de-La-Sculpture-a-la-Porcelaine-by-Edouard-Marcel-Sandoz.pdf
    • http://peldoaio.myhome.cx/53d73d63d83d9/DOCTOR-MARI-TEACHES-ABOUT-HEALTHY-ANGER-Psychological-Wholeness-Series-1-by-Denise-Marie-Mari.pdf
    • http://peldoaio.myhome.cx/63d23d53d53d4/DOCTOR-MARI-TEACHES-ABOUT-HEALTHY-CONCEPTS-OF-GOD-Psychological-Wholeness-Series-3-by-Denise-Marie-Mari.pdf
    • http://peldoaio.myhome.cx/63d43d63d23d7/DOCTOR-MARI-TEACHES-ABOUT-A-HEALTHY-THINKING-MIND-Psychological-Wholeness-Series-4-by-Denise-Marie-Mari.pdf
    • http://peldoaio.myhome.cx/53d33d03d13d83d8/JOURNEY-TO-THE-CENTER-OF-THE-EARTH-BY-JULES-VERNE-ULTIMATE-EDITION---Unabridged-Complete-Legendary-Book-PLUS-BIOGRAPHY-ANNOTATED-by-Jules-Verne.pdf
    • http://peldoaio.myhome.cx/63d23d53d53d53d8/Jules-Verne-Collection-33-Works-A-Journey-to-the-Center-of-the-Earth-Twenty-Thousand-Leagues-Under-the-Sea-Around-the-World-in-Eighty-Days-The-Mysterious-Island-PLUS-MORE-by-Jules-Verne.pdf
    • http://peldoaio.myhome.cx/73d83d23d13d23d1/Sumo-Showdown-The-Hawaiian-Challenge-by-Philip-Sandoz.pdf
    • http://peldoaio.myhome.cx/13d53d43d43d13d6/Political-Sermons-of-the-American-Founding-Era-1730-1805-by-Ellis-Sandoz.pdf
    • http://peldoaio.myhome.cx/73d73d03d73d93d2/Starring-Jules-Third-Grade-Debut-Starring-Jules-4-by-Beth-Ain.pdf
    • http://peldoaio.myhome.cx/63d23d53d53d53d5/Jules-Verne-Five-Complete-Novels-by-Jules-Verne.pdf
    • http://peldoaio.myhome.cx/53d33d33d63d83d5/Starring-Jules-As-Herself-Starring-Jules-1-by-Beth-Ain.pdf
    • http://peldoaio.myhome.cx/43d53d93d73d13d7/Do-Over-by-Mari-Carr.pdf
    • http://peldoaio.myhome.cx/23d93d63d93d53d4/One-by-Mari-Arden.pdf
    • http://peldoaio.myhome.cx/53d43d63d33d63d2/Mari-by-Easterine-Kire.pdf
    • http://peldoaio.myhome.cx/43d83d43d83d33d3/Vibrator-by-Mari-Akasaka.pdf
    • http://peldoaio.myhome.cx/13d03d73d43d23d4/A-Place-of-Her-Own-by-Ann-Mari-Falk.pdf
    • http://peldoaio.myhome.cx/63d43d63d23d7/DOCT

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