Malicious PDF — malware analysis report

Static analysis result for SHA-256 f94e5b3b3de200ab…

MALICIOUS

PDF

19.6 KB Created: 2020-03-15 13:22:02 +00:00 Authoring application: mPDF 5.7
MD5: 4dc5e8c657f46f1695d51a3ce1951bfa SHA-1: 24db9942d3025494f76d45e65345f7db2c829cb7 SHA-256: f94e5b3b3de200ab23290b79288e673aae38468134075a07891022176d1729d2
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded URLs, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The document body, though partially corrupted, contains many of these same URLs, suggesting the primary purpose is to direct users to a link farm. No scripts were extracted from this sample.

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://peldoaio.myhome.cx/93d33d03d63d43d1/Adolph-Christ-by-Larry-R-Day.pdf
    • http://peldoaio.myhome.cx/63d43d43d53d73d4/Mighty-in-the-Scriptures-A-Memoir-of-Adolph-Saphir-D-D-by-Adolph-Saphir.pdf
    • http://peldoaio.myhome.cx/13d03d43d33d13d7/A-Collection-of-Sacred-Hymns-for-The-Church-of-Jesus-Christ-of-Latter-day-Saints-by-Community-of-Christ.pdf
    • http://peldoaio.myhome.cx/73d83d33d13d23d5/The-Words-and-Works-of-Jesus-Christ-A-Study-of-the-Life-of-Christ-by-J-Dwight-Pentecost.pdf
    • http://peldoaio.myhome.cx/43d03d53d73d43d5/The-Second-Coming-of-Christ-The-Resurrection-of-the-Christ-Within-You-a-Revelatory-Commentary-on-the-Original-Teachings-of-Jesus-by-Paramahansa-Yogananda.pdf
    • http://peldoaio.myhome.cx/63d73d13d63d13d7/Larry-and-the-Meaning-of-Life-Gospel-According-to-Larry-3-by-Janet-Tashjian.pdf
    • http://peldoaio.myhome.cx/63d23d23d33d73d4/The-Identity-of-the-Christ-Understanding-the-Fulfillment-of-the-Christ-Through-Master-Fard-Muhammad-the-Honorable-Elijah-Muhammad-and-the-Honorable-Louis-Farrakhan-by-Karriem-Allah.pdf
    • http://peldoaio.myhome.cx/93d33d03d53d23d5/Adolph-Gottlieb-by-Adolph-Gottlieb.pdf
    • http://peldoaio.myhome.cx/93d33d03d73d23d6/Adolph-by-Osamu-Tezuka.pdf
    • http://peldoaio.myhome.cx/13d03d23d33d13d53d4/Joshua-by-Adolph-L-Harstad.pdf
    • http://peldoaio.myhome.cx/93d33d03d43d53d0/Gustav-Adolph-by-August-Strindberg.pdf
    • http://peldoaio.myhome.cx/63d43d43d43d33d8/The-Lord-s-Prayer-by-Adolph-Saphir.pdf
    • http://peldoaio.myhome.cx/93d33d03d43d43d4/The-Death-of-Adolph-Hitler-by-Lev-Bezymenski.pdf
    • http://peldoaio.myhome.cx/93d33d03d53d13d9/Patterns-for-Effective-Use-Cases-by-Steve-Adolph.pdf
    • http://peldoaio.myhome.cx/93d33d03d73d23d2/The-Dialogues-Of-Adolph-And-Mavelia-And-Other-Sketches-by-E-A-Merodach.pdf
    • http://peldoaio.myhome.cx/93d33d03d43d43d6/Ivan-amp-Adolph-The-Last-Man-in-Hell-by-Stephen-Vicchio.pdf
    • http://peldoaio.myhome.cx/93d33d03d53d73d1/The-Pictographs-Of-Adolph-Gottlieb-by-Lawrence-Alloway.pdf
    • http://peldoaio.myhome.cx/93d33d03d53d13d7/The-Wolves-of-Mount-McKinley-by-Adolph-Murie.pdf
    • http://peldoaio.myhome.cx/93d33d03d53d23d4/War-1939-Dealing-with-Adolph-Hitler-by-Tim-Coates.pdf
    • http://peldoaio.myhome.cx/23d83d33d23d7/Adolph-Sutro-A-Biography-by-Robert-E-Stewart-Jr-.pdf
    • http://peldoaio.myhome.cx/63d73d13d63d13d7/Larry-and-the-M

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