Malicious PDF — malware analysis report

Static analysis result for SHA-256 e34bac2f7870db0f…

MALICIOUS

PDF

15.8 KB Created: 2019-04-30 04:31:55 +01:00 Authoring application: mPDF 5.7
MD5: cc8bca3ebf647f9b8ce91d2217ce9cc6 SHA-1: 428dde1a9fe67e82e3e331d991e4834f54d7e952 SHA-256: e34bac2f7870db0fceee8c6403873eaa1d8d9b2cd46851334ba6c4b52df87787
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded links to external PDFs hosted on the domain 'muicuiu.dumb1.com'. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/5a05a07a02a02a07/Vestiges-of-Mortality-amp-Remembrance-by-Edward-L-Bell.pdf
    • http://muicuiu.dumb1.com/8a04a00a06a04a09/Christopher-Isherwood-Notes-In-Remembrance-Of-A-Friendship-by-Edward-Upward.pdf
    • http://muicuiu.dumb1.com/1a00a00a02a04a04a06/The-Angelus-Bell-by-Edward-Foster.pdf
    • http://muicuiu.dumb1.com/5a05a07a00a08a07/The-Vestiges-by-Jeff-Derksen.pdf
    • http://muicuiu.dumb1.com/5a05a07a02a01a08/Vestiges-of-Alchemy-by-ritesh-kumar.pdf
    • http://muicuiu.dumb1.com/5a05a07a03a00a08/Vestiges-of-the-Mayas-by-Augustus-Le-Plongeon.pdf
    • http://muicuiu.dumb1.com/5a05a07a02a08a06/Vestiges-of-the-Spirit-History-of-Man-by-S-F-Dunlap.pdf
    • http://muicuiu.dumb1.com/5a05a07a01a04a04/Vestiges-Of-Freedom-by-William-Venator.pdf
    • http://muicuiu.dumb1.com/5a05a07a02a08a01/Lienes-Vestiges-of-an-Opera-by-Jacqueline-Zanini.pdf
    • http://muicuiu.dumb1.com/5a05a07a03a01a09/Vestiges-of-the-Gael-in-Gwynedd-by-William-Basil-Jones.pdf
    • http://muicuiu.dumb1.com/5a05a07a02a08a03/Vestiges-of-the-Natural-History-of-Creation-by-George-Barrell-Cheever.pdf
    • http://muicuiu.dumb1.com/3a01a05a03a05a09/Mortality-by-Christopher-Hitchens.pdf
    • http://muicuiu.dumb1.com/3a00a03a09a08/Mortality-by-Christopher-Hitchens.pdf
    • http://muicuiu.dumb1.com/5a05a07a02a08a08/Vestiges-of-the-Broken-Plural-in-Hebrew-by-William-Henry-Salter-Brooks.pdf
    • http://muicuiu.dumb1.com/2a04a06a05a05a09/Hints-of-His-Mortality-by-David-Borofka.pdf
    • http://muicuiu.dumb1.com/4a04a01a06a00a07/By-the-Icy-Wild-Mortality-3-by-Everly-Frost.pdf
    • http://muicuiu.dumb1.com/5a05a07a01a04a08/Les-vestiges-de-l-Empire-Force-Heretic-1-Star-Wars-The-New-Jedi-Order-15-by-Sean-Williams.pdf
    • http://muicuiu.dumb1.com/6a07a05a03a05a06/Mortality-And-Mercy-In-Vienna-by-Thomas-Pynchon.pdf
    • http://muicuiu.dumb1.com/3a01a09a09a07a08/Mortality-Doctrine-The-Eye-of-Minds-by-James-Dashner.pdf
    • http://muicuiu.dumb1.com/1a02a03a07a09a09/Mortality-The-Hitchhiker-Strain-1-by-Kellie-Sheridan.pdf
    • http://muicuiu.dumb1.com/5a0

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