Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e94c0c8f11b60c1…

MALICIOUS

PDF

15.5 KB Created: 2019-04-30 04:04:53 +01:00 Authoring application: mPDF 5.7
MD5: b3270d143d0bda307a64b53e98960d3f SHA-1: 9cb3fd44e6f274d0bf29c2ea76afe4675d58f09a SHA-256: 6e94c0c8f11b60c161b9492a60304aa8cd9bb39257a3920e681042874b15e63b
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for distributing malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates that these links are likely intended to trick users into downloading further malware. Although no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/2a03a00a06a06a06/Scene-of-the-Crime-Bridgewater-Texas-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/3a01a09a02a07a09/Scene-of-the-Crime-Deadman-s-Bluff-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/3a01a09a05a02a00/Scene-of-the-Crime-Bachelor-Moon-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/1a06a08a09a05/Scene-of-the-Crime-The-Importance-of-Place-in-Crime-and-Mystery-Fiction-by-David-Geherin.pdf
    • http://muicuiu.dumb1.com/1a02a03a05a07/Just-One-Kiss-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/4a01a09a02a01a07/Level-Five-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/3a01a06a05a04a02/Without-a-Sound-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/6a08a04a06a01a09/The-First-Noelle-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/3a01a09a05a02a06/Cowboy-Deputy-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/3a02a06a05a04a03/Reluctant-Wife-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/2a02a08a04a01a00/Up-Close-and-Personal-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/1a02a06a03a08/Pregnant-with-His-Child-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/1a00a08a09a09a06a00/Exposed-Tough-Justice-1-1-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/4a05a04a00a04a06/Her-Secret-His-Duty-The-Adair-Legacy-1-by-Carla-Cassidy.pdf
    • http://muicuiu.dumb1.com/2a08a05a07a07a04/In-Extremis-CSI-Crime-Scene-Investigation-9-by-Ken-Goddard.pdf
    • http://muicuiu.dumb1.com/4a04a08a07a01a08/Headhunter-CSI-Crime-Scene-Investigation-11-by-Greg-Cox.pdf
    • http://muicuiu.dumb1.com/1a07a09a06a09a03/The-Chase-Crime-Scene-Houston-1-by-DiAnn-Mills.pdf
    • http://muicuiu.dumb1.com/2a03a08a02a02a05/Mop-Men-Inside-the-World-of-Crime-Scene-Cleaners-by-Alan-Emmins.pdf
    • http://muicuiu.dumb1.com/1a00a05a09a00a03a02/Criminal-Evidence-From-Crime-Scene-to-Courtroom-by-Derek-Regensburger.pdf
    • http://muicuiu.dumb1.com/4a04a08a07a01a05/Double-Dealer-CSI-Crime-Scene-Investigation-1-by-Max-Allan-Collins.pdf

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