Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d2ef84049307c94…

MALICIOUS

PDF

27.0 KB Created: 2019-04-30 17:17:41 +01:00 Authoring application: mPDF 5.7
MD5: 6a8c926060e6ce89838ed8f71d8c3efb SHA-1: e58cb8c6052c2937b612b6075870d6e979776c02 SHA-256: 1d2ef84049307c94e69e0e62fc6274a2faf863ad25e1185d8d802b86e7cfeb4e
90 Risk Score

Malware Insights

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

The PDF was flagged by a machine learning classifier and a critical heuristic for containing a large number of external links. While the extracted URLs are currently marked as benign, the sheer volume and the nature of the heuristic (PDF_SEO_LINK_FARM) suggest a malicious intent, likely to manipulate search engine results or redirect users to harmful sites. The document body was unreadable, preventing further analysis of its direct content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

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/8da7da9da2da6da7/What-They-Didn-t-Teach-You-In-Design-School-The-Essential-Guide-to-Growing-Your-Design-Career-by-Phil-Cleaver.pdf
    • http://seasasac.lflinkup.com/5da4da8da0da6da9/Design-for-Inclusivity-A-Practical-Guide-to-Accessible-Innovative-and-User-Centred-Design-by-Roger-Coleman.pdf
    • http://seasasac.lflinkup.com/5da3da9da7da4da8/Design-Guide-Rome-Design-City-by-Tonino-Paris.pdf
    • http://seasasac.lflinkup.com/2da2da9da0da7/The-Ultimate-Fashion-Study-Guide---The-Design-Process-How-to-Generate-Inspiration-and-Produce-Grade-a-Fashion-Design-Projects-by-Victoria-Hunter.pdf
    • http://seasasac.lflinkup.com/2da5da5da6da8da3/What-They-Didn-t-Teach-You-About-the-Civil-War-What-They-Didn-t-Teach-You-by-Mike-Wright.pdf
    • http://seasasac.lflinkup.com/9da5da5da2da5da8/Confessions-of-a-Perio-Princess-What-They-Didn-t-Teach-You-in-Dental-Hygiene-School-by-Jamie-M-Freitag.pdf
    • http://seasasac.lflinkup.com/1da1da2da1da0da5da5/Why-Didn-t-They-Teach-Me-This-in-School-99-Personal-Money-Management-Principles-to-Live-by-by-Cary-Siegel.pdf
    • http://seasasac.lflinkup.com/5da0da0da8da3da5/Penguin-by-Design-A-Cover-Story-1935-2005-by-Phil-Baines.pdf
    • http://seasasac.lflinkup.com/9da3da3da7da9da6/Growing-Graphics-Design-for-Kids-by-Vicky-Eckert.pdf
    • http://seasasac.lflinkup.com/1da0da0da1da4da7da4/Design-Your-Book-75-eBook-Cover-Design-Sites-That-Increase-Amazon-Sales-by-Greg-Strandberg.pdf
    • http://seasasac.lflinkup.com/1da1da6da5da7da1da7/Languages-Design-Methods-and-Tools-for-Electronic-System-Design-Selected-Contributions-from-Fdl-2015-by-Rolf-Drechsler.pdf
    • http://seasasac.lflinkup.com/9da3da2da3da4da0/Discover-Design-Pattern-Thinking-Applying-New-Design-Techniques-to-Improve-Our-Mental-Operacy-by-Rudy-A-Magnan.pdf
    • http://seasasac.lflinkup.com/1da2da4da3da9da1/Life-by-Design-Design-2-by-Elizabeth-A-James.pdf
    • http://seasasac.lflinkup.com/1da2da6da8da8da3/Forever-by-Design-Design-3-by-Elizabeth-A-James.pdf
    • http://seasasac.lflinkup.com/2da8da3da1da5da4/101-Things-I-Learned-in-Urban-Design-School-by-Matthew-Frederick.pdf
    • http://seasasac.lflinkup.com/7da3da0da2da0da2/Graphic-Design-New-York-2-The-Work-of-Thirty-Six-Firms-from-the-City-That-Put-Graphic-Design-on-the-Map-by-Veronique-Vienne.pdf
    • http://seasasac.lflinkup.com/4da8da6da9da7da2/Design-Thinking-for-School-Leaders-Five-Roles-and-Mindsets-That-Ignite-Positive-Change-by-Alyssa-Gallagher.pdf
    • http://seasasac.lflinkup.com/5da0da8da2da9da8/New-Zealand-by-Design-A-History-of-New-Zealand-Product-Design-by-Michael-Smythe.pdf
    • http://seasasac.lflinkup.com/1da0da4da1da1da6da8/Graduation-Guide-for-Design-Students-by-Moniek-Paus.pdf
    • http://seasasac.lflinkup.com/8da6da1da1da8da8/Design-Thinking-Workshop-12-Zutaten-die-in-keinem-Design-Thinking-Workshop-fehlen-d-rfen-by-Pauline-Tonhauser.pdf
    • http://seasasac.lflinkup.com/2da5da5da6da

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