Malicious PDF — malware analysis report

Static analysis result for SHA-256 6556fb910cb02457…

MALICIOUS

PDF

15.8 KB Created: 2019-04-30 04:11:44 +01:00 Authoring application: mPDF 5.7
MD5: 50b3a21a4388da9960cc82a2be855bed SHA-1: c73f8887ce99736f5cb155093f0444c4c45fd264 SHA-256: 6556fb910cb024575c7234aef2287613bddb7e63c991241bbebddb272774ed82
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO spam or to distribute further content. The ML classifier also flagged this PDF as malicious. While the document body is heavily obfuscated, the presence of numerous links and the heuristic firings suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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/2a09a09a04a06a04/Scorch-Dragon-s-Destiny-Fated-Mates-2-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/2a09a09a09a05a05/A-Vampire-s-Destiny-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/1a01a04a00a04a04a04/Scorch-The-Tribe-1-by-Terra-Wolf.pdf
    • http://muicuiu.dumb1.com/1a08a01a06a01a01/Fated-Mates-The-Alpha-Shifter-Boxed-Set-by-Adriana-Hunter.pdf
    • http://muicuiu.dumb1.com/2a09a09a06a03a07/His-Secret-Omega-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/4a04a00a06a09a08/My-Fair-Invader-Allies-Of-The-Fae-Realm-Fated-Mates-Romance-Paranormal-Misfits-Book-4-by-C-J-Anaya.pdf
    • http://muicuiu.dumb1.com/2a09a09a08a03a09/Omega-s-Treasure-Anima-Sanator-3-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/2a09a09a05a02a07/Omega-s-Bond-Mated-to-the-Alpha-4-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/2a09a09a05a02a09/Omega-s-Home-Mated-to-the-Alpha-2-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/2a09a09a06a01a02/Omega-s-Embrace-Anima-Sanator-2-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/2a09a09a07a05a04/Omega-s-Love-Mated-to-the-Alpha-5-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/4a08a06a08a09a04/Lines-of-Sight-Covert-Investigations-1-by-Wolf-Specter.pdf
    • http://muicuiu.dumb1.com/1a04a07a06a04a08/Fated-The-Vampire-Destiny-1-by-Alexandra-Anthony.pdf
    • http://muicuiu.dumb1.com/4a01a05a05a08/Dragon-of-Legend-Destiny-Fantasy-Dragon-Adventure-by-Angelika-Meyer.pdf
    • http://muicuiu.dumb1.com/3a08a00a09a00a05/Twin-Dragon-s-Destiny-Dragon-Lords-of-Valdier-11-by-S-E-Smith.pdf
    • http://muicuiu.dumb1.com/7a03a09a07a02/Destiny-of-the-Wolf-Heart-of-the-Wolf-2-by-Terry-Spear.pdf
    • http://muicuiu.dumb1.com/1a01a04a00a02a04a07/Scorch-Road-Scorch-1-by-Toby-Neal.pdf
    • http://muicuiu.dumb1.com/5a08a08a00a03a03/Fated-for-the-Dragon-Lost-Dragons-2-by-Zoe-Chant.pdf
    • http://muicuiu.dumb1.com/3a06a05a04a04a07/Her-Mates-Wolf-Trials-1-by-Tamara-White.pdf
    • http://muicuiu.dumb1.com/1a08a09a04a09a03/Taken-by-a-Dragon-Eternal-Mates-7-by-Felicity-Heaton.pdf

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