Malicious PDF — malware analysis report

Static analysis result for SHA-256 06e9cfe1e4cf6a7b…

MALICIOUS

PDF

18.2 KB Created: 2019-09-25 08:11:07 +01:00 Authoring application: mPDF 5.7
MD5: 7fc5e77c9fdcd4c8824d015112783ab9 SHA-1: b686fe1e28cb275471305fede1459f1e75b32bdd SHA-256: 06e9cfe1e4cf6a7b91375e6e8dd0272d157410f8ea69762407bc6cbf3e3d7261
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this document as malicious. While the specific intent of the linked PDFs is unclear, the sheer volume and the nature of the URLs suggest a malicious distribution or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9807

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/1736735736735736/Dead-Ringer-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/4731734733733735/Every-Inch-of-the-Way-The-Professor-s-Rule-4-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/1739732737739735/Cruce-de-Caminos-Layers-of-the-Otherworld-0-5-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/2737737736739739/The-Druid-Stone-Layers-of-the-Otherworld-1-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/2733735735736737/Mark-of-the-Gladiator-Warriors-of-Rome-4-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/4735731732732734/Giving-an-Inch-The-Professor-s-Rule-1-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/1737731738735733/Straight-Shooter-Rear-Entrance-Video-3-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/2735736738737736/Apple-Polisher-Rear-Entrance-Video-1-by-Heidi-Belleau.pdf
    • http://cefasfese.4pu.com/5733730737731738/Bonjour-Y-all-Heidi-s-Fusion-Cooking-on-the-South-Carolina-Coast-by-Heidi-Vukov.pdf
    • http://cefasfese.4pu.com/1733735739733738/Heidi-s-Children-Heidi-sequel-3-by-Charles-Tritten.pdf
    • http://cefasfese.4pu.com/2731731737730730/The-Dom-Project-LA-Doms-1-by-Heloise-Belleau.pdf
    • http://cefasfese.4pu.com/5739732730731735/R-duction-et-donation-Recherches-sur-Husserl-Heidegger-et-la-ph-nom-nologie-by-Jean-Luc-Marion.pdf
    • http://cefasfese.4pu.com/9734730734737732/Motor-Vehicle-Pollution-Reduction-Strategies-Beyond-2010-by-Peter-Wiederkehr.pdf
    • http://cefasfese.4pu.com/1738733732731738/Appetite-for-Reduction-125-Fast-and-Filling-Low-Fat-Vegan-Recipes-by-Isa-Chandra-Moskowitz.pdf
    • http://cefasfese.4pu.com/8739733739737737/The-Macroeconomics-Of-Development-And-Poverty-Reduction-Strategies-Beyond-The-Washington-Consensus-by-Hansj-rg-Herr.pdf
    • http://cefasfese.4pu.com/1731730736738739735/Proserpina-Goethe-s-Melodrama-with-Music-by-Carl-Eberwein-Orchestral-Score-and-Piano-Reduction-by-Lorraine-Byrne-Bodley.pdf
    • http://cefasfese.4pu.com/7730730730736734/In-Harm-s-Way-by-M-J-Fredrick.pdf
    • http://cefasfese.4pu.com/2738730731730739/Harm-s-Way-by-James-Bassett.pdf
    • http://cefasfese.4pu.com/2731730732732737/Do-No-Harm-by-Gregg-Luke.pdf
    • http://cefasfese.4pu.com/3732738731733739/And-it-Harm-None-Circle-of-Three-13-by-Isobel-Bird.pdf

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