Malicious PDF — malware analysis report

Static analysis result for SHA-256 4aa2711765439616…

MALICIOUS

PDF

17.9 KB Created: 2019-04-30 02:31:00 +01:00 Authoring application: mPDF 5.7
MD5: 214d48c5d0cff265e77af2303180d122 SHA-1: 336e74d272d043e4018a94a9b6663fa3e83a720b SHA-256: 4aa2711765439616494e107bc6c487caa900d06ede6f7a6e222e1231fedbe4cf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF contains a link farm with 23 external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs, while appearing benign in isolation, are part of a strategy to direct users to potentially malicious content hosted elsewhere. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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/8a05a01a04a08a03/Dance-with-a-Dragon-The-Dragon-Archives-4-by-Linda-K-Hopkins.pdf
    • http://muicuiu.dumb1.com/5a05a00a08a01/Loved-by-a-Dragon-The-Dragon-Archives-3-by-Linda-K-Hopkins.pdf
    • http://muicuiu.dumb1.com/8a07a05a02a06a01/G-A-Aiken-Bundle-The-Dragon-Who-Loved-Me-What-a-Dragon-Should-Know-amp-Last-Dragon-Standing-by-G-A-Aiken.pdf
    • http://muicuiu.dumb1.com/1a00a08a09a03a04a01/Hidden-Dragon-Dragon-Rising-Urban-Fantasy-Series-1-by-Trudi-Jaye.pdf
    • http://muicuiu.dumb1.com/4a01a05a05a08/Dragon-of-Legend-Destiny-Fantasy-Dragon-Adventure-by-Angelika-Meyer.pdf
    • http://muicuiu.dumb1.com/2a09a05a04a09a08/The-Dragon-and-the-Fair-Maid-of-Kent-Dragon-Knight-9-by-Gordon-R-Dickson.pdf
    • http://muicuiu.dumb1.com/3a09a01a06a06a02/Dragon-Knight-s-Ring-Order-of-the-Dragon-Knights-5-by-Mary-Morgan.pdf
    • http://muicuiu.dumb1.com/3a08a04a08a04a08/Book-of-the-Dragon-s-Tooth-An-Ancient-Manuscript-on-the-Secret-History-of-the-Dragon-and-The-by-Michael-Green.pdf
    • http://muicuiu.dumb1.com/2a01a03a07a03a05/Aaron-amp-Keja-Time-Dragon-by-Linda-Nelson.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a08a02/The-Pygmy-Dragon-Shapeshifter-Dragon-Legends-1-by-Marc-Secchia.pdf
    • http://muicuiu.dumb1.com/2a04a01a09a03a05/How-to-Seize-a-Dragon-s-Jewel-How-to-Train-Your-Dragon-10-by-Cressida-Cowell.pdf
    • http://muicuiu.dumb1.com/7a09a04a07a05/How-to-Betray-a-Dragon-s-Hero-How-to-Train-Your-Dragon-11-by-Cressida-Cowell.pdf
    • http://muicuiu.dumb1.com/1a06a04a01a03a03/A-Dragon-s-Tale-Book-One-The-Silver-Dragon-by-Paul-Benthom.pdf
    • http://muicuiu.dumb1.com/2a09a05a05a00a06/The-Dragon-and-the-Gnarly-King-Dragon-Knight-7-by-Gordon-R-Dickson.pdf
    • http://muicuiu.dumb1.com/4a00a01a09a07a01/Demise-of-Dragon-s-Gate-Dragon-Keepers-2-by-Bruce-Goldwell.pdf
    • http://muicuiu.dumb1.com/3a08a00a09a00a05/Twin-Dragon-s-Destiny-Dragon-Lords-of-Valdier-11-by-S-E-Smith.pdf
    • http://muicuiu.dumb1.com/1a01a08a01a07a00a03/Dragon-Pawns-Jules-and-the-Runt-Dragon-by-William-Hill.pdf
    • http://muicuiu.dumb1.com/3a04a06a08a02a02/Dragon-Fire-Dragon-Knights-10-The-Sea-Captain-s-Daughter-2-by-Bianca-D-39-Arc.pdf
    • http://muicuiu.dumb1.com/1a08a04a05a07a05/The-Dragon-s-Secret-Baby-Dragon-Secrets-1-by-Jasmine-Wylder.pdf
    • http://muicuiu.dumb1.com/7a00a08a04/Cadmium-Dragon-Dragon-Guard-of-Drakkaris-2-by-Terry-Bolryder.pdf

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