Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bdc73b89f967300…

MALICIOUS

PDF

18.7 KB Created: 2019-04-30 04:08:57 +01:00 Authoring application: mPDF 5.7
MD5: d0fbcc1b99d7994f361fd1e7b1042be0 SHA-1: 5056ec00160e997184f74b9ef5c143c24805d63d SHA-256: 5bdc73b89f967300d7d1b6fe2f5e99d927ef1a45835bd1341e12b5266c18d05c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, masquerading as book downloads. This technique is often used to distribute malware or conduct phishing attacks. The ML classifier strongly indicated maliciousness, and the presence of numerous external links supports a malicious intent, likely related to T1566.001 (Spearphishing Attachment) as a delivery vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/6a00a08a06/The-Ends-of-the-World-The-Conspiracy-of-Us-3-by-Maggie-Hall.pdf
    • http://muicuiu.dumb1.com/3a02/The-Conspiracy-of-Us-The-Conspiracy-of-Us-1-by-Maggie-Hall.pdf
    • http://muicuiu.dumb1.com/2a08a07a09/Map-of-Fates-The-Conspiracy-of-Us-2-by-Maggie-Hall.pdf
    • http://muicuiu.dumb1.com/2a09a05a03a09a08/Tip-It-The-World-According-to-Maggie-by-Maggie-Griffin.pdf
    • http://muicuiu.dumb1.com/4a01a04a01a08a08/This-Is-Where-the-World-Ends-by-Amy-Zhang.pdf
    • http://muicuiu.dumb1.com/3a00a07a07/Sharp-Ends-First-Law-World-7-by-Joe-Abercrombie.pdf
    • http://muicuiu.dumb1.com/5a02a08a00a04/Republic-s-Chosen-After-The-World-Ends-1-by-Rori-I-.pdf
    • http://muicuiu.dumb1.com/6a03a08a07a05a02/To-the-Ends-of-the-Earth-100-Maps-That-Changed-the-World-by-Neil-Safier.pdf
    • http://muicuiu.dumb1.com/1a05a09a02a03a09/Some-Things-You-Need-to-Know-Before-the-World-Ends-A-Final-Evening-With-the-Illuminati-by-Levi-Lee.pdf
    • http://muicuiu.dumb1.com/1a00a05a05a01a09a05/The-Ends-of-the-Earth-The-Wide-World-Trilogy-3-by-Robert-Goddard.pdf
    • http://muicuiu.dumb1.com/6a09a01a00a08/Conspiracy-A-New-World-8-by-John-O-39-Brien.pdf
    • http://muicuiu.dumb1.com/2a09a04a09a08a09/27-Years-of-Shoe-World-Ends-at-Ten-Details-at-Eleven-by-Jeff-MacNelly.pdf
    • http://muicuiu.dumb1.com/4a03a08a02a09a01/Appointment-at-the-Ends-of-the-World-Memoirs-of-a-Wildlife-Veterinarian-by-William-B-Karesh.pdf
    • http://muicuiu.dumb1.com/9a08a00a09a02/Barbelo-s-Blood-Conspiracy-Thriller---War-on-Illuminati-World-Banks-and-Vatican-by-Joseph-Ferri.pdf
    • http://muicuiu.dumb1.com/5a08a06a00a06a09/The-Lost-Museum-The-Nazi-Conspiracy-to-Steal-the-World-s-Greatest-Works-of-Art-by-Hector-Feliciano.pdf
    • http://muicuiu.dumb1.com/1a07a03a05a05a01/Half-the-World-in-Winter-by-Maggie-Joel.pdf
    • http://muicuiu.dumb1.com/8a09a04a06a01/Gad-s-Hall-The-Haunting-of-Gad-s-Hall-Gad-s-Hall-1-2-by-Norah-Lofts.pdf
    • http://muicuiu.dumb1.com/5a09a06a07a03/Empress-of-the-World-Battle-Hall-Davies-1-by-Sara-Ryan.pdf
    • http://muicuiu.dumb1.com/4a00a06a00a00a02/As-Darkness-Ends-As-Darkness-Ends-1-by-Aaron-Crocco.pdf
    • http://muicuiu.dumb1.com/2a07a04a05a02a07/Maggie-s-Image-Maggie-McGill-Mystery-1-by-Sharon-Burch-Toner.pdf

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