Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a2ff857d63fddc0…

MALICIOUS

PDF

15.4 KB Created: 2019-04-30 04:14:31 +01:00 Authoring application: mPDF 5.7
MD5: ee96783c83928f0ed3c482bd8ce43777 SHA-1: 874f56e07a46d9b01e74ddf7f4f44434134f875b SHA-256: 9a2ff857d63fddc085abe3da1a381dfeeb4ce9459926c251cabaecee61020761
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. While the document body is heavily obfuscated, the presence of numerous links suggests a strategy to direct users to a large collection of content, potentially for SEO manipulation or to host malicious payloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/1a03a05a05a03a00/Shattered-Pack-Alpha-Girl-6-by-Aileen-Erin.pdf
    • http://muicuiu.dumb1.com/1a03a05a05a00a00/Alpha-Unleashed-Alpha-Girl-5-by-Aileen-Erin.pdf
    • http://muicuiu.dumb1.com/1a01a07a01a00a08/Avoiding-Alpha-Alpha-Girl-2-by-Aileen-Erin.pdf
    • http://muicuiu.dumb1.com/4a01a02a02a05a03/Becoming-Alpha-Alpha-Girl-1-by-Aileen-Erin.pdf
    • http://muicuiu.dumb1.com/2a00a05a08a09a07/Shattered-Emotions-Redwood-Pack-4-by-Carrie-Ann-Ryan.pdf
    • http://muicuiu.dumb1.com/4a07a01a04a05/Warriors-Ravenpaw-s-Path-1-Shattered-Peace-by-Erin-Hunter.pdf
    • http://muicuiu.dumb1.com/2a07a03a01a08a01/Unknown-Alpha-Pack-9-by-J-D-Tyler.pdf
    • http://muicuiu.dumb1.com/1a06a06a00a07a04/Primal-Law-Alpha-Pack-1-by-J-D-Tyler.pdf
    • http://muicuiu.dumb1.com/4a06a06a09a08/Primal-Law-Alpha-Pack-1-by-J-D-Tyler.pdf
    • http://muicuiu.dumb1.com/3a03a02a08a02a01/Broken-Planet-Alpha-2-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/2a06a07a03a02a00/Damaged-Planet-Alpha-6-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/2a03a01a03a01a03/Phoenix-Reborn-Alpha-Pack-7-5-by-J-D-Tyler.pdf
    • http://muicuiu.dumb1.com/3a07a08a08a04a01/Alpha-Mate-Pack-Rules-2-by-B-A-Stretke.pdf
    • http://muicuiu.dumb1.com/8a07a03a08/The-Alpha-s-Pack-Kit-Davenport-6-by-Tate-James.pdf
    • http://muicuiu.dumb1.com/5a07a02a05a07/Pack-Alpha-Were-Chronicles-1-by-Crissy-Smith.pdf
    • http://muicuiu.dumb1.com/1a07a04a04a02a09/Big-Bad-Alpha-The-Ashland-Pack-2-by-Bryce-Evans.pdf
    • http://muicuiu.dumb1.com/2a01a09a09a00a00/Emma-s-Alpha-The-Derwent-Pack-1-by-Amanda-Clark.pdf
    • http://muicuiu.dumb1.com/3a07a08a03a03a01/My-Alpha-s-Ghost-Haunted-Lazarus-Pack-1-by-G-G-G-ricault.pdf
    • http://muicuiu.dumb1.com/6a04a09a09a03a02/Bitten-by-the-Alpha-Regent-s-Park-Pack-4-by-Annabelle-Jacobs.pdf
    • http://muicuiu.dumb1.com/1a00a05a05a01a08a02/What-Aileen-Did-The-World-s-Most-Evil-Female-Serial-Killer-Aileen-Wuornos-by-Frances-J-Armstrong.pdf

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