Malicious PDF — malware analysis report

Static analysis result for SHA-256 def389eae8d9d04b…

MALICIOUS

PDF

15.3 KB Created: 2019-04-30 02:52:26 +01:00 Authoring application: mPDF 5.7
MD5: ef0b36499357467b0974aa79c6ee53fc SHA-1: 47b019d43612e8d8468db7517775bf07234383b4 SHA-256: def389eae8d9d04be224a27f659e13fb422ad0ce1b0881079d052b2f89e7053c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic. While the specific content of the document body is corrupted, the presence of numerous links suggests a link farm or redirection scheme. The ML_NYX_PDF_MALICIOUS heuristic also flagged this PDF with high confidence. 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/1a00a01a08a03a07/He-Fell-in-Love-with-His-Wife-by-E-P-Roe.pdf
    • http://muicuiu.dumb1.com/1a00a02a02a08a01a07/Shorty-Fell-In-Love-With-A-Dope-Boy-by-AJ-Dix.pdf
    • http://muicuiu.dumb1.com/5a06a04a05a01a08/I-Fell-In-Love-With-A-Mob-Boss-by-Coco-Shawnde.pdf
    • http://muicuiu.dumb1.com/5a02a09a06a00a03/The-Cigar-That-Fell-In-Love-With-a-Pipe-by-David-Camus.pdf
    • http://muicuiu.dumb1.com/5a03a03a05a07/She-Fell-In-Love-With-A-Vicious-Man-by-Tafiska-Nyasulu-Ndovi.pdf
    • http://muicuiu.dumb1.com/4a07a03a01a04a04/Under-the-Stars-How-America-Fell-in-Love-with-Camping-by-Dan-White.pdf
    • http://muicuiu.dumb1.com/4a08a05a05a03a07/The-Whale-that-Fell-in-Love-with-a-Submarine-by-Akiyuki-Nosaka.pdf
    • http://muicuiu.dumb1.com/3a05a07a06a08a05/How-I-Fell-in-Love-and-Learned-to-Shoot-Free-Throws-by-Jon-Ripslinger.pdf
    • http://muicuiu.dumb1.com/2a01a04a08a05/Revolution-The-Year-I-Fell-in-Love-and-Went-to-Join-the-War-by-Deb-Olin-Unferth.pdf
    • http://muicuiu.dumb1.com/6a03a00a03a04a09/A-Sincere-and-Constant-Love-An-Introduction-to-the-Work-of-Margaret-Fell-by-T-H-S-Wallace.pdf
    • http://muicuiu.dumb1.com/2a05a08a07a07a09/The-Summer-Jenny-Fell-in-Love-Sweet-Dreams-13-by-Barbara-Conklin.pdf
    • http://muicuiu.dumb1.com/4a09a08a04a08a06/The-Books-of-Fell-Fell-1-3-by-M-E-Kerr.pdf
    • http://muicuiu.dumb1.com/2a08a04a01a06a09/The-Boy-Who-Fell-Out-of-the-Sky-by-Ken-Dornstein.pdf
    • http://muicuiu.dumb1.com/1a00a02a02a07a04a09/As-the-Ash-Fell-by-A-J-Powers.pdf
    • http://muicuiu.dumb1.com/4a01a05a09a01a08/Since-We-Fell-by-Dennis-Lehane.pdf
    • http://muicuiu.dumb1.com/1a00a02a02a08a01a03/Fell-Cargo-by-Dan-Abnett.pdf
    • http://muicuiu.dumb1.com/3a04a07a03a01a02/How-I-Fell-for-the-Player-by-BrittanyLeigh8.pdf
    • http://muicuiu.dumb1.com/1a07a04a07a01/After-Things-Fell-Apart-by-Ron-Goulart.pdf
    • http://muicuiu.dumb1.com/3a07a07a04a02a05/The-Man-Who-Fell-to-Earth-by-Walter-Tevis.pdf
    • http://muicuiu.dumb1.com/3a07a05a06a09a03/The-Man-Who-Fell-to-Earth-by-Walter-Tevis.pdf
    • http://muicuiu.dumb1.com

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