Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6097e0036737dab…

MALICIOUS

PDF

24.4 KB Created: 2019-04-30 17:46:21 +01:00 Authoring application: mPDF 5.7
MD5: 74549b69976fee63fc23e6f953c24195 SHA-1: 2c1eaf56efcce8ba9931266be78557f33f339c83 SHA-256: d6097e0036737dab3ef5211774f05e8ad37d6fbb23059d0e6f3bd7cc4c34158c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that these links are likely intended to direct users to external content, potentially for SEO manipulation or to host malicious payloads. While the specific intent of the linked PDFs is unclear, the sheer volume and the nature of the heuristic suggest a malicious attempt to redirect users. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://seasasac.lflinkup.com/6da4da6da2da7da2/A-Horse-Called-Mayonnaise-A-Horse-Called-1-by-JoAnne-Chitwood-Nowack.pdf
    • http://seasasac.lflinkup.com/1da0da0da2da2da9da5/A-Horse-Called-September-by-Anne-Digby.pdf
    • http://seasasac.lflinkup.com/3da3da1da7da7da9/A-Horse-Called-Freddie-by-Vian-Smith.pdf
    • http://seasasac.lflinkup.com/2da4da9da7da1da9/They-Called-Her-Reckless-A-True-Story-of-War-Love-And-One-Extraordinary-Horse-by-Janet-Barrett.pdf
    • http://seasasac.lflinkup.com/3da7da6da7da0da5/A-Horse-Called-Bonnie-Bonnie-2-by-Barbara-Van-Tuyl.pdf
    • http://seasasac.lflinkup.com/2da0da5da9da4da0/Come-When-Called-Come-When-Called-1-7-by-Piper-Trace.pdf
    • http://seasasac.lflinkup.com/9da3da8da8da1da7/Gentle-Horse-Training-A-New-4-Step-Approach-for-Horse-and-Rider-by-Thies-Bottcher.pdf
    • http://seasasac.lflinkup.com/3da1da5da4da6da8/Horse-How-the-Horse-Has-Shaped-Civilizations-by-J-Edward-Chamberlin.pdf
    • http://seasasac.lflinkup.com/9da8da4da0da7da6/A-Lifetime-Of-Soundness-The-Keys-To-Optimal-Horse-Health-Lameness-Rehabilitation-And-The-High-Performance-Barefoot-Horse-by-Hiltrud-Strasser.pdf
    • http://seasasac.lflinkup.com/4da9da4da7da8da2/Sun-Horse-Moon-Horse-by-Rosemary-Sutcliff.pdf
    • http://seasasac.lflinkup.com/1da0da4da3da1da4da4/Before-Gulfport-It-wasn-t-always-called-Gulfport-It-had-other-names---Veteran-City-Disston-City-and-Bonifacio-before-it-was-called-Gulfport-by-Tom-Raif.pdf
    • http://seasasac.lflinkup.com/1da0da4da3da2da0da6/Before-Gulfport-It-Wasn-t-Always-Called-Gulfport-It-Had-Other-Names---Veteran-City-Disston-City-Bonifacio-Before-It-Was-Called-Gulfport-by-Tom-Raif.pdf
    • http://seasasac.lflinkup.com/4da0da1da1da1da1/War-Horse-War-Horse-1-by-Michael-Morpurgo.pdf
    • http://seasasac.lflinkup.com/1da0da0da2da2da2da9/Frosty-The-Adventures-of-a-Morgan-Horse-Morgan-Horse-Series-Book-2-by-Ellen-F-Feld.pdf
    • http://seasasac.lflinkup.com/9da2da5da2da3da2/-quot-At-a-Place-Called-Buckingham-quot--Historic-Sketches-of-Buckingham-County-Virginia-by-Joanne-L-Yeck.pdf
    • http://seasasac.lflinkup.com/6da1da2da4da8da3/Green-Horse-Winter-The-Green-Horse-Hotel-2-by-Isolde-Pullum.pdf
    • http://seasasac.lflinkup.com/2da3da4da2da2da4/The-Copper-Horse-Pride-The-Copper-Horse-2-by-K-A-Merikan.pdf
    • http://seasasac.lflinkup.com/1da6da0da8da2da8/The-Copper-Horse-Pride-The-Copper-Horse-2-by-K-A-Merikan.pdf
    • http://seasasac.lflinkup.com/5da1da1da1da5/The-One-Dollar-Horse-The-One-Dollar-Horse-1-by-Lauren-St-John.pdf
    • http://seasasac.lflinkup.com/6da5da6da3da7da5/The-Clydesdale-Stud-Book-Vol-28-Containing-Pedigrees-of-Mares-Having-Produce-Previous-to-30th-September-1905-and-Stallions-Foaled-Before-1st-January-1905-with-Four-Appendices-and-a-List-of-the-Members-of-the-Clydesdale-Horse-Society-as-at-1st-Janua-by-Clydesdale-Horse-Society.pdf
    • http://seasasac.lflinkup.com/9da8da4da0da7da6/A-Lifetime-Of-Soundness-The-Keys-To-Optimal-Horse-Health-Lameness-Rehabilitation-And-The-High-Performance-Barefoot-Horse-by-Hiltrud-S

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