Malicious PDF — malware analysis report

Static analysis result for SHA-256 c40046674b6586f9…

MALICIOUS

PDF

15.7 KB Created: 2019-04-30 01:59:27 +01:00 Authoring application: mPDF 5.7
MD5: 0511b45762ceca765824413655db6727 SHA-1: 965eed11ef02f2f14b8140910411ddcef6572dd9 SHA-256: c40046674b6586f9f848b28d7bc8585e6ad4d5f033b81d90cce4c6005f9d5b6b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDFs, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. The document body contains numerous URLs pointing to the domain 'muicuiu.dumb1.com', which appears to be hosting a link farm. 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/8a02a07a05a01a06/Provence-Welcomes-You-by-Jean-Max-Tixier.pdf
    • http://muicuiu.dumb1.com/1a04a06a00a02a08/Song-at-Dawn-1150-in-Provence-by-Jean-Gill.pdf
    • http://muicuiu.dumb1.com/4a05a05a01a00a02/The-Queen-from-Provence-Plantagenet-Saga-6-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/1a05a03a04a02a00/The-Queen-from-Provence-Plantagenet-Saga-6-by-Jean-Plaidy.pdf
    • http://muicuiu.dumb1.com/7a00a02a07a01a06/Contemporary-Living-in-Provence-amp-Cote-D-Azur-Demeures-Contemporaines-En-Provence-amp-Cote-D-Azur-Hedendaags-Wonen-in-Provence-amp-Cote-D-Azur-by-Wim-Pauwels.pdf
    • http://muicuiu.dumb1.com/3a06a08a09a02/Infinity-Welcomes-Careful-Drivers-Red-Dwarf-1-by-Grant-Naylor.pdf
    • http://muicuiu.dumb1.com/8a02a07a04a04a01/Contribution-a-la-Connaissance-Des-Cololejeunnoideae-by-P-Tixier.pdf
    • http://muicuiu.dumb1.com/8a02a07a03a05a03/Teen-Genreflecting-3-by-Diana-Tixier-Herald.pdf
    • http://muicuiu.dumb1.com/8a02a07a05a04a08/The-Anterior-Pituitary-by-Andree-Tixier-Vidal.pdf
    • http://muicuiu.dumb1.com/8a02a07a03a09a04/A-Good-Lookin-Horse-Cowboy-Poetry-and-Other-Verses-by-Stan-Tixier.pdf
    • http://muicuiu.dumb1.com/8a02a07a05a05a04/Ressources-humaines-pour-sortie-de-crise-by-Pierre-Eric-Tixier.pdf
    • http://muicuiu.dumb1.com/6a06a02a04a02a04/Letters-from-Provence-by-Vincent-van-Gogh.pdf
    • http://muicuiu.dumb1.com/5a04a05a09a00a05/Amour-Provence-by-Constance-Leisure.pdf
    • http://muicuiu.dumb1.com/8a00a02a05a09a09/Cacarinette-in-Provence-by-Regine-Franceschi.pdf
    • http://muicuiu.dumb1.com/1a03a00a02a01a00/Toujours-Provence-by-Peter-Mayle.pdf
    • http://muicuiu.dumb1.com/4a05a07a09a06/A-Year-in-Provence-by-Peter-Mayle.pdf
    • http://muicuiu.dumb1.com/6a07a09a03a09a02/Recipes-from-Provence-by-Ren-Husson.pdf
    • http://muicuiu.dumb1.com/6a04a08a06a09a05/De-Rey-s-Saracen-Invasions-of-Provence-by-Gonzague-De-Rey.pdf
    • http://muicuiu.dumb1.com/1a01a06a04a05a09/Hotel-Pastis-A-Novel-of-Provence-by-Peter-Mayle.pdf
    • http://muicuiu.dumb1.com/9a05a06a09a06a03/Provence-Art-Architecture-and-Landscape-by-Rolf-Toman.pdf
    • http://muicuiu.dumb1.com/8a02a07a0

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