Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee800f71bc59bd2…

MALICIOUS

PDF

21.2 KB Created: 2019-05-02 02:24:59 +01:00 Authoring application: mPDF 5.7
MD5: f89f684fe68a1b3f4e30662807c3086d SHA-1: 24b66ea0d50ff991fa579ab9bd018776d4e5c10c SHA-256: 3ee800f71bc59bd2240649e3eec2638c11e87107d56c4f3c5ffa126e496a14e2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was flagged by a critical heuristic for containing a large number of external links, suggesting a link farm or SEO manipulation tactic. While the document body is heavily corrupted, the presence of numerous URLs, many of which are benign, points towards an attempt to distribute or mask malicious activity through a large number of seemingly legitimate links. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1da1da5da7da9da0da9/Match-Day-One-Day-and-One-Dramatic-Year-in-the-Lives-of-Three-New-Doctors-by-Brian-Eule.pdf
    • http://seasasac.lflinkup.com/1da1da5da7da9da1da4/Basketball-for-Fun-by-Brian-Eule.pdf
    • http://seasasac.lflinkup.com/7da6da8da6da3da2/No-Match-for-Love-Volume-One-Box-Set-Miss-Match-Not-Your-Match-Mix-N-Match-by-Lindzee-Armstrong.pdf
    • http://seasasac.lflinkup.com/1da1da5da8da1da7da6/Hermann-Eule-Orgelbau-1872-1997-Ein-Beitrag-Zur-Orgelbaugeschichte-Sachsens-by-Ingeborg-Eule.pdf
    • http://seasasac.lflinkup.com/8da7da6da4da2/A-Strange-Eventful-History-The-Dramatic-Lives-of-Ellen-Terry-Henry-Irving-and-their-Remarkable-Families-by-Michael-Holroyd.pdf
    • http://seasasac.lflinkup.com/6da6da0da2da4/Stolen-Lives-by-Brian-Reaves.pdf
    • http://seasasac.lflinkup.com/7da6da8da8da5/Mayo-Clinic-Guide-to-Your-Baby-s-First-Year-From-Doctors-Who-Are-Parents-Too-by-Mayo-Clinic.pdf
    • http://seasasac.lflinkup.com/4da3da0da7da1da8/Perfect-Match-Game-Set-Match-Heartbreak-3-by-Kelly-Hashway.pdf
    • http://seasasac.lflinkup.com/3da3da9da8da2da4/Miss-Match-No-Match-for-Love-1-by-Lindzee-Armstrong.pdf
    • http://seasasac.lflinkup.com/2da1da7da0da5da5/Miss-Match-No-Match-for-Love-1-by-Lindzee-Armstrong.pdf
    • http://seasasac.lflinkup.com/5da0da5da2da8da5/Miss-Match-No-Match-for-Love-1-by-Lindzee-Armstrong.pdf
    • http://seasasac.lflinkup.com/3da4da5da2da2da6/Secret-Sex-Lives-A-Year-on-the-Fringes-of-American-Sexuality-by-Suzy-Spencer.pdf
    • http://seasasac.lflinkup.com/4da4da8da1da0da7/Gravity-How-the-Weakest-Force-in-the-Universe-Shaped-Our-Lives-by-Brian-Clegg.pdf
    • http://seasasac.lflinkup.com/7da6da8da6da3da4/An-Impractical-Match-Match-2-by-Barbara-Dunlop.pdf
    • http://seasasac.lflinkup.com/4da4da0da2da8da4/Match-Me-if-You-Can-No-Match-for-Love-6-by-Lindzee-Armstrong.pdf
    • http://seasasac.lflinkup.com/9da7da1da1da5da0/An-Essay-of-Dramatic-Poesy-A-Defense-of-an-Essay-of-Dramatic-Poesy-Preface-to-the-Fables-by-John-Dryden.pdf
    • http://seasasac.lflinkup.com/2da5da4da5da2da9/The-Year-of-the-Ghouls-The-Complete-History-of-Burke-and-Hare-by-Brian-Bailey.pdf
    • http://seasasac.lflinkup.com/5da4da9da9da6/Same-Soul-Many-Bodies-Discover-the-Healing-Power-of-Future-Lives-through-Progression-Therapy-by-Brian-L-Weiss.pdf
    • http://seasasac.lflinkup.com/1da1da5da7da9da6da5/Die-Eule-Schuschu-by-Matthias-Kainer.pdf
    • http://seasasac.lflinkup.com/7da6da8da6da9da5/The-Match-Before-Christmas-The-Match-Before-Christmas-1-by-Eden-Winters.pdf
    • http://seasasac.lflinkup.com/8da7da6da4da2/A-Strange-Eventful-History-The-Dramatic-Lives-of-Ellen-Terry-Henr

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