Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad44e90f84f37e64…

MALICIOUS

PDF

12.4 KB Created: 2019-04-30 06:02:38 +01:00 Authoring application: mPDF 5.7
MD5: 8a3eb5a56a49b0e68a666efda4ddfc83 SHA-1: 969b28d653727d5e97547232dd564824967ff2fd SHA-256: ad44e90f84f37e643adcfbc1b61e4019cdaeab766fa3a6b14b9e5c7bc504283a
90 Risk Score

Malware Insights

MITRE ATT&CK
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 direct users to malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the structure and embedded URLs suggest a phishing or content redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

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/3a00a00a06a02a01/You-Melted-Me-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/6a09a08a03a04a05/Stray-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/7a01a00a09a07/Lovely-Wicked-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/2a06a01a09a01a05/Tame-a-Wild-Human-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/4a09a04a05a00a08/Act-Two-New-Beginnings-For-Whom-the-Heart-Stone-Burns-2-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/2a03a05a05a00a04/Spoils-of-War-Spoils-of-War-1-by-Kari-Gregg.pdf
    • http://muicuiu.dumb1.com/2a04a03a06a05a01/Collared-by-L-A-Kornetsky.pdf
    • http://muicuiu.dumb1.com/2a04a07a09a05a04/Collared-Going-to-the-Dogs-4-by-Zoe-Dawson.pdf
    • http://muicuiu.dumb1.com/2a09a07a09a07a08/Collared-by-Nola-Lively.pdf
    • http://muicuiu.dumb1.com/2a08a07a08/Collared-by-Nicole-Williams.pdf
    • http://muicuiu.dumb1.com/3a09a05a05a06a02/Collared-by-the-Cowboy-Bad-Boys-6-by-Susan-Arden.pdf
    • http://muicuiu.dumb1.com/1a07a00a09a02a03/Revenge-White-Collared-3-by-Shelly-Bell.pdf
    • http://muicuiu.dumb1.com/4a07a08a06a06a07/The-Theory-of-Everything-by-Kari-Luna.pdf
    • http://muicuiu.dumb1.com/4a03a02a04a00a08/Under-the-Willow-by-Kari-Jo-Spear.pdf
    • http://muicuiu.dumb1.com/2a01a00a09a09a07/Out-Of-Season-by-Kari-Jones.pdf
    • http://muicuiu.dumb1.com/5a07a04a09a04a08/Rhinoceroses-by-Kari-Schuetz.pdf
    • http://muicuiu.dumb1.com/1a02a05a03a06a02/The-Theory-of-Everything-by-Kari-Luna.pdf
    • http://muicuiu.dumb1.com/9a00a09a04a01a00/Koalas-by-Kari-Schuetz.pdf
    • http://muicuiu.dumb1.com/1a07a04a04a03a04/Promise-Me-Always-Always-1-by-Kari-March.pdf
    • http://muicuiu.dumb1.com/3a08a04a04a08a08/Lentolaivue-24-by-Kari-Stenman.pdf
    • http://muicuiu.dumb1.com/4a03a02a04a00

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