Malicious PDF — malware analysis report

Static analysis result for SHA-256 1feb565776198f29…

MALICIOUS

PDF

16.1 KB Created: 2019-04-30 02:44:32 +01:00 Authoring application: mPDF 5.7
MD5: 1c7cc62fffeff5135ed1c6b72b6d9bb5 SHA-1: 630703fee255adc1352698402d1781e2cdee3b5e SHA-256: 1feb565776198f292fc78605ffcd56b8db7939025e46214f045f1169b1152d1b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/8a06a02a00a07a01/The-Time-Machine-An-Invention-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/1a00a05a06a07a03a01/The-Time-Machine-the-Original-Novel-Annotated-Masterpiece-Collection-The-Time-Machine-H-G-Wells-Famous-Quotes-Book-List-and-Biography-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/5a04a01a00a02a04/The-Time-Machine-By-H-G-Wells---Illustrated-Comes-with-a-Free-Audiobook-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/6a05a01a08a09a08/The-Time-Machine-Herbert-George-Wells-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/9a01a01a04a01a01/The-Time-Machine-Centaur-Classics-The-100-greatest-novels-of-all-time---96-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/6a05a03a05a05a08/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/5a08a03a00a02/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/9a00a04a08a05/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/8a02a08a06a03a04/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/5a02a03a02a09a01/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/1a01a05a04a04a03a06/THE-TIME-MACHINE-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/5a03a02a05a02a09/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/1a01a00a05a09a04a09/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/1a00a04a08a03a02a00/The-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/7a07a03a02a06a01/The-Definitive-Time-Machine-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/4a01a07a07a09a08/The-Time-Machine-The-War-of-the-Worlds-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/9a04a02a02a03/The-Time-Machine-The-Invisible-Man-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/9a09a01a06a09a08/Evolution-in-H-G-Wells-s--The-Time-Machine--by-Anonym.pdf
    • http://muicuiu.dumb1.com/7a07a00a09a07a07/The-Time-Machine-Deluxe-Edition-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/9a03a07a01a07a05/The-Time-Machine-Premium-Edition---Illustrated-by-H-G-Wells.pdf
    • http://muicuiu.dumb1.com/6a

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