Malicious PDF — malware analysis report

Static analysis result for SHA-256 11fe2f84add3e582…

MALICIOUS

PDF

19.2 KB Created: 2019-04-30 03:59:13 +01:00 Authoring application: mPDF 5.7
MD5: a2263a5df9a9fb9eabb7af252ecbcae7 SHA-1: f2faf6be694081b3bae9c5ffa44828a5b8909b83 SHA-256: 11fe2f84add3e582f27cc49ae5a05337daa08f7e5add1617d603fbaa3d6527be
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which are structured as book titles, suggesting a link farm or SEO poisoning attempt. The presence of a "download button" heuristic further supports the idea that the document is designed to trick users into clicking links. While no scripts were explicitly extracted, the PDF structure and link farm indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2a05a03a08a08a06/Blue-Gets-His-Magic-Collar-The-Adventures-of-Blue-the-Very-Happy-Dog-1-by-Ronnie-James.pdf
    • http://muicuiu.dumb1.com/6a00a07a05a08a01/Noel-Blue-Collar-1-5-by-J-C-Valentine.pdf
    • http://muicuiu.dumb1.com/1a07a01a05a01a07/Luke-Blue-Collar-Billionaires-5-by-M-Malone.pdf
    • http://muicuiu.dumb1.com/1a04a08a04a01a09/Tank-Blue-Collar-Billionaires-1-by-M-Malone.pdf
    • http://muicuiu.dumb1.com/2a09a07a08a06a08/Crushing-on-the-Cop-Blue-Collar-Brothers-2-by-Piper-Rayne.pdf
    • http://muicuiu.dumb1.com/5a00a05a05a08a06/Just-a-Guy-Notes-from-a-Blue-Collar-Life-by-Bill-Engvall.pdf
    • http://muicuiu.dumb1.com/5a09a08a00a04a00/The-Golem-Upstairs-Cecilian-Blue-Collar-Chronicles-Book-2-by-Hayden-Thorne.pdf
    • http://muicuiu.dumb1.com/2a02a07a01a05a02/Danny-and-the-Revenge-of-the-Dinosaurs-Written-and-Illustrated-by-David-T-Lee-at-Age-10-It-Is-the-Sequel-of-Danny-and-the-Invasion-of-the-Dinosaurs-Danny-and-the-Trip-to-Outer-Space-and-Danny-and-the-Portal-of-the-World-It-Has-24-Chapters-20-by-David-T-Lee.pdf
    • http://muicuiu.dumb1.com/5a05a02a08a05a06/Milo-s-Run-by-Danny-King.pdf
    • http://muicuiu.dumb1.com/3a05a09a00a02a05/Radgepacket---Volume-Two-by-Danny-King.pdf
    • http://muicuiu.dumb1.com/3a05a08a03a06a04/Radgepacket---Tales-From-The-Inner-cities-by-Danny-King.pdf
    • http://muicuiu.dumb1.com/9a04a06a00a04/Danny-DANNY-Quadrilogy-1-by-Chancery-Stone.pdf
    • http://muicuiu.dumb1.com/1a06a04a02a08/The-Blue-Edge-of-Midnight-Max-Freeman-1-by-Jonathon-King.pdf
    • http://muicuiu.dumb1.com/5a02a08a05a00a09/Danny-Dunn-Scientific-Detective-Danny-Dunn-14-by-Jay-Williams.pdf
    • http://muicuiu.dumb1.com/1a00a05a09a00a01a08/True-Blue-The-Whole-Truth-First-Family-Simple-Genius-Sean-King-amp-Michelle-Maxwell-3-4-by-David-Baldacci.pdf
    • http://muicuiu.dumb1.com/3a05a07a04a09a05/The-Collar-of-Freedom-by-Alexandra-Iff.pdf
    • http://muicuiu.dumb1.com/8a04a04a03a07a05/White-Collar-by-Giacomo-Patri.pdf
    • http://muicuiu.dumb1.com/3a04a03a00a02a00/Not-Another-Rock-Star-Hot-Under-Her-Collar-3-by-Amber-Belldene.pdf
    • http://muicuiu.dumb1.com/2a03a05a05a07a02/Coronation-Golden-Collar-1-5-by-Grace-R-Duncan.pdf
    • http://muicuiu.dumb1.com/9a06a04a04a04a03/Schmucks-and-Other-White-Collar-Criminals-by-Stephen-Lawson.pdf