Malicious PDF — malware analysis report

Static analysis result for SHA-256 704cc7d59079be92…

MALICIOUS

PDF

17.5 KB Created: 2019-04-30 03:41:40 +01:00 Authoring application: mPDF 5.7
MD5: caf6e4a2e8d42e5184c34f5642f9e2e7 SHA-1: 163d75eae5a861f1f3332aa1a80a0db8c1ade0d5 SHA-256: 704cc7d59079be92bd2c8243f232da56f4c6c20bf5ee53b80f389f36bc42c174
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links to external PDFs suggests an attempt to manipulate search engine results or direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/4a04a05a03a08a03/Foolish-Pride-Jamison-Family-1-5-by-Donna-Marie-Rogers.pdf
    • http://muicuiu.dumb1.com/3a09a00a09a06a05/There-s-Only-Been-You-Jamison-Family-1-by-Donna-Marie-Rogers.pdf
    • http://muicuiu.dumb1.com/6a04a02a07a05a03/Marie-Has-a-Party-La-F-te-de-Marie-The-Language-of-Food-Family-and-Friends-Le-Langage-de-la-Nourriture-de-la-Famille-Et-Des-Amis-by-Poppy-Archer.pdf
    • http://muicuiu.dumb1.com/1a01a08a06a09a07/Foolish-Games-Foolish-Games-1-by-Leah-Spiegel.pdf
    • http://muicuiu.dumb1.com/4a06a09a09a04a03/A-Peyton-Family-Christmas-Southern-Arcana-2-4-by-Moira-Rogers.pdf
    • http://muicuiu.dumb1.com/1a00a00a04a04a08a04/A-Matter-of-Pride-Cougar-Falls-5-by-Marie-Harte.pdf
    • http://muicuiu.dumb1.com/3a06a02a01a01a07/Love-and-Other-Small-Wars-by-Donna-Marie-Riley.pdf
    • http://muicuiu.dumb1.com/7a01a08a06a03a02/Rogers-Isms-The-Cowboy-Philosopher-On-The-Peace-Conference-by-Will-Rogers.pdf
    • http://muicuiu.dumb1.com/3a03a05a04a06a08/Bitter-Blood-A-True-Story-of-Southern-Family-Pride-Madness-and-Multiple-Murder-by-Jerry-Bledsoe.pdf
    • http://muicuiu.dumb1.com/3a09a09a06a06a04/One-Big-Furry-Family-by-Marie-Tayse.pdf
    • http://muicuiu.dumb1.com/6a00a03a02a09a04/The-Acceptance-Keller-Family-8-by-Bernadette-Marie.pdf
    • http://muicuiu.dumb1.com/4a08a09a07a02a02/The-Merger-The-Keller-Family-Series-9-by-Bernadette-Marie.pdf
    • http://muicuiu.dumb1.com/2a00a01a09a01a06/Opposite-Attraction-Keller-Family-3-by-Bernadette-Marie.pdf
    • http://muicuiu.dumb1.com/2a00a01a07a03a03/Lost-amp-Found-Keller-Family-5-by-Bernadette-Marie.pdf
    • http://muicuiu.dumb1.com/5a04a00a08a05a04/A-Family-of-Brigands-in-1793-by-Marie-de-Sainte-Hermine.pdf
    • http://muicuiu.dumb1.com/8a01a07a01a01a06/The-Royers-of-Renfrew-A-Family-Tapestry-by-Marie-Lanser-Beck.pdf
    • http://muicuiu.dumb1.com/5a03a07a03a07/The-Spaghetti-Set-Family-Served-Italian-Style-by-Rose-Marie-Boyd.pdf
    • http://muicuiu.dumb1.com/1a08a09a00a02a07/A-Pride-Christmas-in-Brooklyn-Pride-1-1-of-2-stories-by-Shelly-Laurenston.pdf
    • http://muicuiu.dumb1.com/3a01a07a02a06a02/Wild-Pride-The-Kingson-Pride-1-by-Kristen-Banet.pdf
    • http://muicuiu.dumb1.com/3a06a01a03a04a06/Pride-Series-Book-One-amp-Two-The-Pride-1-2-by-Jill-Sanders.pdf