Malicious PDF — malware analysis report

Static analysis result for SHA-256 570c4e434f3e6c8b…

MALICIOUS

PDF

18.1 KB Created: 2019-04-30 04:46:05 +01:00 Authoring application: mPDF 5.7
MD5: 34b97329193323320ce408d76fd16b3c SHA-1: 0036bd0cc452a715ff1c3a6e438afd238f75aa0f SHA-256: 570c4e434f3e6c8b42bd32b4b46a268e9594027210b23ea0ca73910bf2aa8217
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a link farm with 24 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence. The embedded URLs are likely intended to redirect users to malicious content or phishing sites. No scripts were extracted from this sample.

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://muicuiu.dumb1.com/1a01a02a06a08a03a07/1889-Journey-To-The-Moon-by-Billy-Kring.pdf
    • http://muicuiu.dumb1.com/1a05a03a03a01a07/How-High-the-Moon-by-Sandra-Kring.pdf
    • http://muicuiu.dumb1.com/6a01a00a03a08a05/Liste-Des-Actionnaires-30-Avril-1889-Actions-30-Chacunes-List-of-Shareholders-30th-April-1889-Shares-30-Each-by-Banque-Nationale.pdf
    • http://muicuiu.dumb1.com/7a03a00a00a08/Billy-Liar-On-The-Moon-by-Keith-Waterhouse.pdf
    • http://muicuiu.dumb1.com/1a00a01a09a03a09/The-Journey-Living-by-Faith-in-an-Uncertain-World-by-Billy-Graham.pdf
    • http://muicuiu.dumb1.com/8a08a05a08a00a05/Billy-Has-A-Birthday-The-Billy-Books-1-by-James-Minter.pdf
    • http://muicuiu.dumb1.com/1a01a03a06a03a08/The-Book-of-Bright-Ideas-by-Sandra-Kring.pdf
    • http://muicuiu.dumb1.com/3a00a09a00/Billy-and-Me-Billy-and-Me-1-by-Giovanna-Fletcher.pdf
    • http://muicuiu.dumb1.com/3a02a07a09a09a08/Apollo-The-Epic-Journey-to-the-Moon-1963-1972-by-David-West-Reynolds.pdf
    • http://muicuiu.dumb1.com/7a08a08a02/Rocket-Men-The-Daring-Odyssey-of-Apollo-8-and-the-Astronauts-Who-Made-Man-s-First-Journey-to-the-Moon-by-Robert-Kurson.pdf
    • http://muicuiu.dumb1.com/1a01a09a06a07a06a07/Superstar-Billy-Graham-Tangled-Ropes-by-Billy-Graham.pdf
    • http://muicuiu.dumb1.com/4a07a08a09a03a00/The-Jazz-Life-of-Dr-Billy-Taylor-by-Billy-Taylor.pdf
    • http://muicuiu.dumb1.com/1a04a02a00a05a03/Billy-Hazelnuts-Billy-Hazelnuts-1-by-Tony-Millionaire.pdf
    • http://muicuiu.dumb1.com/4a07a05a08a03a04/Do-You-Want-to-Know-a-Secret-The-Autobiography-of-Billy-J-Kramer-by-Billy-J-Kramer.pdf
    • http://muicuiu.dumb1.com/1a01a02a06a06a05a05/The-Future-of-Architecture-Since-1889-by-Jean-L-Cohen.pdf
    • http://muicuiu.dumb1.com/8a07a01a02a02a00/Hitler-1889---1936-Band-1-by-Ian-Kershaw.pdf
    • http://muicuiu.dumb1.com/1a01a02a06a08a09a06/Mundus-Cerialis-Space-1889-amp-Beyond-Vol-2-2-by-Sharon-Bidwell.pdf
    • http://muicuiu.dumb1.com/1a01a02a06a09a00a02/The-1889-Flood-In-Johnstown-Pennsylvania-by-Michael-R-McGough.pdf
    • http://muicuiu.dumb1.com/7a08a04a08a02a01/Femeia-1889-1891-n-transpunerea-lui-erban-Foar-by-Pierre-Lou-s.pdf
    • http://muicuiu.dumb1.com/1a01a02a06a09a00a00/Jawaharlal-Nehru-A-Biography-Volume-1-1889-1947-by-Sarvepalli-Gopal.pdf
    • http://muicuiu.dumb1.com/7a08a08a02/Rocket-Men-The-

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