Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0d40d6c9bb601ff…

MALICIOUS

PDF

20.2 KB Created: 2019-05-03 16:09:01 +01:00 Authoring application: mPDF 5.7
MD5: da0a7fa9443e5a098b6ee2571dba9680 SHA-1: 80fee485975de9be770c56136b08ab7b49d78a3a SHA-256: e0d40d6c9bb601fff2195ba93972aea357a198de0c90b472dd83fe6419bf9cb8
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF was flagged by a machine learning classifier and contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. While the document body is unreadable, the heuristic 'PDF_SEO_LINK_FARM' strongly suggests the document's purpose is to generate traffic or lead users to potentially harmful external sites. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://cefasfese.4pu.com/5735737733738731/Measure-for-Measure-Digital-Age-Edition-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/6739731734735738/King-Henry-the-IV-Part-1-The-Merchant-of-Venice-Measure-for-Measure-Othello-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/8736736733732736/Measure-for-Measure-Shortened-Shakespeare-Edited-for-Length-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/1731733731730739736/Measure-for-Measure-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/1730732734730735732/Measure-for-Measure-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/8738738739737735/Measure-for-Measure-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/1731739736738733735/Measure-for-Measure-The-Necessary-Shakespeare-7-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/1730732737738733733/Shakespeare-s-Mingled-Yarn-and-Measure-for-Measure-by-E-A-J-Honigmann.pdf
    • http://cefasfese.4pu.com/2733735736732737/Measure-of-Peace-Measure-of-Devotion-3-by-C-Faron.pdf
    • http://cefasfese.4pu.com/5735737732733735/As-You-Like-It-Digital-Age-Edition-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/5735737733735738/Comedy-of-Errors-Digital-Age-Edition-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/2735737739736735/Measure-For-Measure-by-E-M-Denning.pdf
    • http://cefasfese.4pu.com/1737737737730739/Measure-of-Devotion-Measure-of-Devotion-1-by-C-Faron.pdf
    • http://cefasfese.4pu.com/5733738737730735/A-New-Variorum-Edition-of-Shakespeare-Midsummer-Night-s-Dream-1895-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/4735737730737732/Tragedies-The-Norton-Shakespeare-Based-on-the-Oxford-Edition-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/7733736737730738/Shakespeare-Romeo-And-Juliet-Total-Study-Edition-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/6736730739733734/A-New-Variorum-Edition-of-Shakespeare-As-You-Like-It-10th-Ed-1890-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/8733732739730737/A-New-Variorum-Edition-of-Shakespeare-The-Tragedy-of-Richard-the-Third-With-the-Landing-of-Earle-Richmond-and-the-Battell-at-Bosworth-Field-1908-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/6739738734730733/A-New-Variorum-Edition-of-Shakespeare-The-Tragedy-of-Richard-the-Third-With-the-Landing-of-Earle-Richmond-and-the-Battell-at-Bosworth-Field-1908-by-William-Shakespeare.pdf
    • http://cefasfese.4pu.com/9730733735732732/Grace-For-Those-Who-Think-They-Don-t-Measure-Up-by-Bob-Lenz.pdf

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