Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbb09ea500b0e845…

MALICIOUS

PDF

17.8 KB Created: 2019-05-03 06:06:37 +01:00 Authoring application: mPDF 5.7
MD5: 27991f497b5c1e96322f3f574ca607be SHA-1: e625a4a900ff08cbca9d85d1166134694d334d51 SHA-256: bbb09ea500b0e845e6b1d493ec5263d76f971ffdf7f0f16d0ac038d35afceb5e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to drive traffic to malicious sites. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/3a08a04a07a01a03/Beauty-and-the-Beast-The-Enchanted-Christmas-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/4a01a06a07a08a05/Beauty-and-the-Beast-Disney-Classic-Series-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/1a00a02a09a00a02/Beauty-and-the-Beast-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/1a04a00a02a08a03/Sleeping-Beauty-Disney-Classic-Series-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/5a00a03a01a04a05/Walt-Disney-s-Christmas-Parade-2-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/5a00a03a01a03a08/Winnie-the-Pooh-s-Christmas-Stories-Disney-s-Big-Book-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/5a00a03a01a04a06/Winnie-the-Pooh-s-Night-Before-Christmas-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/6a01a07a02a03/Mickey-s-Christmas-Carol-Classic-Storybook-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/5a00a03a01a05a00/Merry-Christmas-Uncle-Scrooge-McDuck-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/4a00a04a04a06a06/Walt-Disney-s-Worlds-of-Nature-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/3a01a01a05a01a00/Cooking-with-Mickey-Around-our-World-The-Most-Requested-Recipes-from-Walt-Disney-World-and-Disneyland-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/3a04a09a06a05a03/Animation-Walt-Disney-Animation-Studios-The-Archive-Series-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/2a01a05a03a00a02/The-Emperor-s-New-Clothes-Disney-s-wonderful-world-of-reading-29-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/4a07a00a07a01a03/Fight-to-the-Finish-Disney-Big-Hero-6-Step-into-Reading-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/1a01a04a00a07a03a06/Enten-Im-All-Donaldchens-Mondfahrt-Disney-Enthologien-12-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/8a06a06a01a07a06/Disney-Frozen-Fever-Birthday-Book-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/6a07a06a03a06/Robin-Hood-Disney-s-Classic-Storybook-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/7a05a00a02a07/The-Aristocats-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/9a00a07a07a06/Aladdin-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a09a00a05/Me-Too-Woody-by-Walt-Disney-Company.pdf
    • http://muicuiu.dumb1.com/5a00a03a01a05a00/Merry-Chri

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