Malicious PDF — malware analysis report

Static analysis result for SHA-256 72d85fe8d706d080…

MALICIOUS

PDF

27.4 KB Created: 2019-05-26 17:06:38 +01:00 Authoring application: mPDF 5.7
MD5: f7870d48be7610a5467d87bccebce219 SHA-1: 186958c1ed6814f6c5f3409f138ac5ab3d02fdb5 SHA-256: 72d85fe8d706d080f48f0a485b5b108b8013537a601803556458ec4da9849caf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While many of these URLs are marked as benign, the sheer volume and the nature of the heuristic suggest an attempt to manipulate search engine results or to distribute potentially malicious content. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9742

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/5730731739731736/Auntie-Claus-and-the-Key-to-Christmas-by-Elise-Primavera.pdf
    • http://cefasfese.4pu.com/3738734737738737/Loving-Our-Kids-on-Purpose-Making-a-Heart-To-Heart-Connection-by-Danny-Silk.pdf
    • http://cefasfese.4pu.com/1730735736732736737/A-Journey-to-the-Centre-of-the-Earth-quot-Science-my-lad-is-made-up-of-mistakes-but-they-are-mistakes-which-it-is-useful-to-make-because-they-lead-little-by-little-to-the-truth-quot-by-Jules-Verne.pdf
    • http://cefasfese.4pu.com/3732730733733738/Daily-Inspiration-for-the-Purpose-Driven-Life-Scriptures-and-Reflections-from-the-40-Days-of-Purpose-by-Rick-Warren.pdf
    • http://cefasfese.4pu.com/1731731738733731734/Face-of-God-Personal-Experiences-Lift-the-Veil-to-Expose-God-s-Involvement-and-Purpose-of-Our-Created-Being-Provided-Are-Answers-To-Who-Is-God-What-Is-the-Purpose-of-Life-When-Will-Peace-Prevail-Where-Do-Souls-Go-After-Death-and-Why-Was-I-and-O-by-Talitha-Cumi.pdf
    • http://cefasfese.4pu.com/2737733733735736/A-Dog-s-Purpose-A-Dog-s-Purpose-1-by-W-Bruce-Cameron.pdf
    • http://cefasfese.4pu.com/3735731731734731/A-Dog-s-Purpose-A-Dog-s-Purpose-1-by-W-Bruce-Cameron.pdf
    • http://cefasfese.4pu.com/9736737732733739/Soap-Making-How-to-Make-Hand-Soap-in-Your-House-Like-a-Pro-Soap-Making-Soap-Making-Book-Soap-Making-Guide-Soap-Making-Recipes-How-to-Make-Soap-by-Melani-Penn.pdf
    • http://cefasfese.4pu.com/1734733739733737/Laughing-Tomatoes-Jitomates-risuenos-And-Other-Spring-Poems-Y-otros-poemas-de-primavera-by-Francisco-X-Alarc-n.pdf
    • http://cefasfese.4pu.com/3736733735735737/Sonata-de-Primavera-Sonata-de-Estio-by-Ram-n-Mar-a-del-Valle-Incl-n.pdf
    • http://cefasfese.4pu.com/1731734739738737739/Soap-Making-A-Quick-Soap-Making-Book-Including-Homemade-Soap-Recipes-Soap-Making-Supplies-Lye-Process-and-More-by-Kelly-Kohn.pdf
    • http://cefasfese.4pu.com/7738730734738/Accidentally-on-Purpose-Accidentally-on-Purpose-1-by-L-D-Davis.pdf
    • http://cefasfese.4pu.com/7732733731733731/Fabrication-Essays-on-Making-Things-and-Making-Meaning-by-Susan-Neville.pdf
    • http://cefasfese.4pu.com/2735736730736738/Saving-the-World-at-Work-What-Companies-and-Individuals-Can-Do-to-Go-Beyond-Making-a-Profit-to-Making-a-Difference-by-Tim-Sanders.pdf
    • http://cefasfese.4pu.com/7734738732735733/Managing-With-Systems-Thinking-Making-Dynamics-Work-For-You-In-Business-Decision-Making-by-Michael-Ball-.pdf
    • http://cefasfese.4pu.com/2736732738735737/Making-Plans-Making-Memories-Reprisal-Volume-1-by-Sam-Lang.pdf
    • http://cefasfese.4pu.com/5731732733731736/Making-Black-Harvest-Warfare-Film-Making-And-Living-Dangerously-In-The-Highlands-Of-Papua-New-Guinea-by-Bob-Connolly.pdf
    • http://cefasfese.4pu.com/4734737733731738/Nightline-History-in-the-Making-and-the-Making-of-Television-by-Ted-Koppel.pdf
    • http://cefasfese.4pu.com/2738733733735736/Making-Changes-Making-Series-1-by-Lila-Rose.pdf
    • http://cefasfese.4pu.com/4739737731732737/Some-Mistakes-of-Moses-by-Robert-G-Ingersoll.pdf

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