Malicious PDF — malware analysis report

Static analysis result for SHA-256 640b37a32f678013…

MALICIOUS

PDF

15.9 KB Created: 2019-05-02 22:48:36 +01:00 Authoring application: mPDF 5.7
MD5: d29af8b94566eb699e6f008f37aca212 SHA-1: 38e596e5fa3b0725c6b0d0ce4c65e3f7773b7416 SHA-256: 640b37a32f678013aa7094eed3376960eafaafe074c7580903c5902d460051ee
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 spam or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While the URLs themselves are marked as benign, the sheer volume and the nature of the heuristic firing suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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://loaminoo.linkpc.net/5097090097096099/Habitudes-The-Art-of-Launching-Your-Career-by-Tim-Elmore.pdf
    • http://loaminoo.linkpc.net/6097092097093/Habitudes-Book-1-The-Art-of-Self-Leadership-by-Tim-Elmore.pdf
    • http://loaminoo.linkpc.net/5097090096094093/Habitudes-Images-That-Form-Leadership-Habits-amp-Attitudes-by-Tim-Elmore.pdf
    • http://loaminoo.linkpc.net/5097090097092095/Habitudes-images-that-form-leadership-habits-amp-attitudes-volume-3-by-Tim-Elmore.pdf
    • http://loaminoo.linkpc.net/5097090098092094/Habitudes-for-Life-Giving-Leaders-The-Art-of-Transformational-Leadership-Values-Based-by-Tim-Elmore.pdf
    • http://loaminoo.linkpc.net/7095090095091/The-Complete-Western-Stories-of-Elmore-Leonard-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/1091098098097096090/Am-I-Making-Myself-Clear-Secrets-of-the-World-s-Greatest-Communicators-by-Terry-Felber.pdf
    • http://loaminoo.linkpc.net/5097090098091099/Les-9-Habitudes-qui-Forgent-le-Caract-re-by-F-W-F-Cerster.pdf
    • http://loaminoo.linkpc.net/5097090097098098/Money-Habitudes-How-to-Be-Rich-in-Life-and-Love-by-Jessica-Pool.pdf
    • http://loaminoo.linkpc.net/5097090097092097/12-Habitudes-of-Highly-Successful-Traders-by-Ruth-Barrons-Roosevelt.pdf
    • http://loaminoo.linkpc.net/5097090098094099/Simples-Habitudes-Anti-Ages-A-Adopter-Au-Plus-Vite---Jeune-Belle-Epanouie-Et-D-bordante-D-Energie-by-Val-rie-Sanson.pdf
    • http://loaminoo.linkpc.net/1093098098098094/Rum-Punch-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/3095092095096098/The-Hunted-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/2097099093090098/Cadillac-Payback-by-A-J-Elmore.pdf
    • http://loaminoo.linkpc.net/4098096096096099/Djibouti-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/3096092095090097/Cat-Chaser-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/6093090097093096/Through-the-Arch-by-Elmore-Hammes.pdf
    • http://loaminoo.linkpc.net/3096093090099098/The-Moonshine-War-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/1096095094099/LaBrava-by-Elmore-Leonard.pdf
    • http://loaminoo.linkpc.net/5099092099099/Raylan-by-Elmore-Leonard.pdf

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