Malicious PDF — malware analysis report

Static analysis result for SHA-256 c200282c96200b33…

MALICIOUS

PDF

19.7 KB Created: 2019-04-29 23:42:26 +01:00 Authoring application: mPDF 5.7
MD5: eb583694171d41e2161d3d2575c6bb3c SHA-1: 7cb18a48c88c1cbf0eb7eea7ba53fad2aaf63446 SHA-256: c200282c96200b331d6d02934959931aa779b66cc92869ee65a2f8812bcc0f8e
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, indicating a link farm or SEO poisoning attack. The ML classifier also flagged this document as malicious. No scripts were extracted, and the document body was heavily obfuscated, but the primary attack pattern is the distribution of numerous external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9922

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.lflin
    • http://seasasac.lflinkup.com/1da1da1da9da9da1da5/PILENTUM-Model-Trains-and-Model-Railroad-and-Model-Railway-Picture-Book-The-Miniatur-Wunderland-The-largest-model-train-layout-in-the-world-by-Sukram-Znel.pdf
    • http://seasasac.lflinkup.com/7da5da0da7da2da5/The-Forest-and-Agricultural-Sector-Optimization-Model-Fasom-Model-Structure-and-Policy-Applications-by-Darius-Mainard-Adams.pdf
    • http://seasasac.lflinkup.com/1da1da8da5da4da9da2/A-differential-item-functioning-model-for-testlet-based-items-using-a-bi-factor-multidimensional-item-response-theory-model-A-Bayesian-approach-by-Hirotaka-Fukuhara.pdf
    • http://seasasac.lflinkup.com/1da1da0da5da0da5da3/Short-Term-Couples-Therapy-The-Imago-Model-in-Action-The-Imago-Model-in-Action-by-Wade-Luquet.pdf
    • http://seasasac.lflinkup.com/9da1da9da3da1da8/Le-Mans-24-Hours-The-Complete-Story-of-the-World-s-Most-Famous-Motor-Race-by-Brian-Laban.pdf
    • http://seasasac.lflinkup.com/1da3da6da7da3da3/62-A-Model-Kit-by-Julio-Cort-zar.pdf
    • http://seasasac.lflinkup.com/5da0da5da4da3da0/Crispin-s-Model-by-Max-Gladstone.pdf
    • http://seasasac.lflinkup.com/2da3da1da0da1da8/This-Year-s-Model-by-Carol-Alt.pdf
    • http://seasasac.lflinkup.com/4da4da4da6da8da4/Model-Behavior-by-Cassie-Stevens.pdf
    • http://seasasac.lflinkup.com/5da1da3da9da9da5/Model-A-Mule-by-Robert-J-Willis.pdf
    • http://seasasac.lflinkup.com/4da4da5da0da6da8/The-Model-Millionaire-by-Oscar-Wilde.pdf
    • http://seasasac.lflinkup.com/5da1da9da4da6da1/Camera-and-Model-by-Inaki-Bergera.pdf
    • http://seasasac.lflinkup.com/2da8da0da3da8/Model-Home-by-Eric-Puchner.pdf
    • http://seasasac.lflinkup.com/4da4da7da5da3da8/Poet-s-Model-by-Michael-McGrinder.pdf
    • http://seasasac.lflinkup.com/6da9da9da5da5da0/Model-Theory-An-Introduction-by-David-Marker.pdf
    • http://seasasac.lflinkup.com/6da4da1da3da5da3/Model-Undercover-New-York-by-Carina-Axelsson.pdf
    • http://seasasac.lflinkup.com/3da4da5da7da7da2/I-m-a-Model-That-s-Undercover-As-The-School-Nerd-by-kittykat_1d.pdf
    • http://seasasac.lflinkup.com/4da9da8da2da5/What-s-that-Super-Model-Doing-in-my-Workplace-by-Halinka-Panzera.pdf
    • http://seasasac.lflinkup.com/3da8da1da3da2da1/Model-Submissive-Rack-and-Ruin-2-by-Amy-Valenti.pdf
    • http://seasasac.lflinkup.com/7da6da4da9da5da3/How-to-Be-a-Chicana-Role-Model-by-Michele-Serros.pdf

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