Malicious PDF — malware analysis report

Static analysis result for SHA-256 43e80772687f82cc…

MALICIOUS

PDF

13.4 KB Created: 2019-04-30 05:29:24 +01:00 Authoring application: mPDF 5.7
MD5: db356c8ba53c8128ee2da4d6c3ad602f SHA-1: ea2cebfbbb9154d6b75fbb99e0c7a4ffcffd468e SHA-256: 43e80772687f82cc4989eafb80f9e71c03d58008f9834d419e992b9fdbba2d9c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, constituting a link farm. This technique is often used to obscure malicious intent or to distribute further malicious content. The ML classifier also flagged this document as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/4a07a05a07a07a08/Atonement-Atonement-1-by-Elle-Chardou.pdf
    • http://muicuiu.dumb1.com/1a02a05a06a00a01/Day-of-Atonement-by-Jay-Rayner.pdf
    • http://muicuiu.dumb1.com/1a01a09a01a06a09/Atonement-Attainment-2-by-J-H-Cardwell.pdf
    • http://muicuiu.dumb1.com/2a03a03a07a00a00/The-Atonement-by-Beverly-Lewis.pdf
    • http://muicuiu.dumb1.com/6a03a09a02a09a09/Preaching-a-Better-Atonement-by-Jason-Micheli.pdf
    • http://muicuiu.dumb1.com/4a07a06a05a02a06/Atonement-Beartooth-Montana-4-by-B-J-Daniels.pdf
    • http://muicuiu.dumb1.com/1a02a04a03a07a02/The-Eleventh-Hour-Day-Of-Atonement-by-Kathryn-Dionne.pdf
    • http://muicuiu.dumb1.com/1a04a06a09a01a05/Atonement-Heart-of-Stone-4-NSC-Industries-6-by-D-H-Sidebottom.pdf
    • http://muicuiu.dumb1.com/5a04a09a00a00/Atonement-Chronicles-of-the-Fallen-3-by-Julie-Morgan.pdf
    • http://muicuiu.dumb1.com/3a09a06a04a09a01/Atonement-of-Blood-Sister-Fidelma-24-by-Peter-Tremayne.pdf
    • http://muicuiu.dumb1.com/4a05a01a09a03a09/Days-of-Atonement-Hanno-Stiffeniis-2-by-Michael-Gregorio.pdf
    • http://muicuiu.dumb1.com/8a00a09a07a01a07/For-You-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/7a05a05a07a05a04/The-Atonement-in-Modern-Religious-Thought-A-Theological-Symposium-by-Fr-d-ric-Godet.pdf
    • http://muicuiu.dumb1.com/1a09a03a07a07a00/In-Between-the-Sheets-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/3a03a06a08a05a06/In-Between-the-Sheets-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/2a05a00a07a03a07/Saturday-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/3a05a01a09a08a00/The-Cement-Garden-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/8a00a09a07a00a07/Ian-McEwan-by-Dominic-Head.pdf
    • http://muicuiu.dumb1.com/3a09a02a01a09/Enduring-Love-by-Ian-McEwan.pdf
    • http://muicuiu.dumb1.com/8a00a09a07a01a01/Beyond-Death-Afterlife-1-by-Deb-McEwan.pdf
    • http://muicuiu.dumb1.com/7a05a05a07a05a04/The-Atonement-in-Modern-Religious-Thought-A-Theological-Symposium-b

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