Malicious PDF — malware analysis report

Static analysis result for SHA-256 71d9fa1c996ea89d…

MALICIOUS

PDF

19.8 KB Created: 2019-04-30 02:00:11 +01:00 Authoring application: mPDF 5.7
MD5: ea582494b86e47f37fac6a61d6757b9a SHA-1: 9d4babd1f25ae0ca051773828b1b68650a3de74e SHA-256: 71d9fa1c996ea89d3e276876e2b39aec9b0fcf56dcce71a26b2d680074fae5e5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, masquerading as book titles, which is indicative of a link farm or a phishing lure. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of numerous links to external content, likely to deceive users into visiting potentially malicious sites or downloading further malware.

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.lflinkup.com/4da7da2da4da8da1/Practicing-My-First-Real-Kiss-My-First-Real-Kiss-1-by-Ciara-Jamie-Garcia.pdf
    • http://seasasac.lflinkup.com/4da1da5da1da2da3/Chicken-Soup-for-the-Girl-s-Soul-Real-Stories-by-Real-Girls-About-Real-Stuff-by-Jack-Canfield.pdf
    • http://seasasac.lflinkup.com/5da0da1da4da2da9/Top-Tips-for-Girls-Real-Advice-from-Real-Women-for-Real-Life-by-Kate-Reardon.pdf
    • http://seasasac.lflinkup.com/5da0da3da0da7/The-Real-Grey-s-Anatomy-A-Behind-The-Scenes-Look-at-The-Real-Lives-of-Surgical-Residents-by-Andrew-Holtz.pdf
    • http://seasasac.lflinkup.com/7da8da9da7da5da8/Argus-Developer-in-Practice-Real-Estate-Development-Modeling-in-the-Real-World-by-Tim-Havard.pdf
    • http://seasasac.lflinkup.com/5da0da4da2da7da2/Real-Reading-Real-Writing-Content-Area-Strategies-by-Donna-Hooker-Topping.pdf
    • http://seasasac.lflinkup.com/3da0da8da5da6da2/Weber-s-Real-Grilling-Over-200-Original-Recipes-by-Jamie-Purviance.pdf
    • http://seasasac.lflinkup.com/4da8da6da3/Real-Good-Love-Real-Duet-2-by-Meghan-March.pdf
    • http://seasasac.lflinkup.com/5da7da5da4/Real-Sexy-Real-Dirty-Duet-2-by-Meghan-March.pdf
    • http://seasasac.lflinkup.com/7da8da9da0da6da8/Kiss-Kiss-Switch-Bitch-My-Uncle-Oswald-by-Roald-Dahl.pdf
    • http://seasasac.lflinkup.com/2da3da6da1/Harley-Quinn-Vol-3-Kiss-Kiss-Bang-Stab-by-Amanda-Conner.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da0da9/Kiss-Across-Deserts-Kiss-Across-Time-4-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/1da9da5da1da4da6/The-Kiss-That-Killed-Me-The-Tidal-Kiss-Trilogy-1-by-Kristy-Nicolle.pdf
    • http://seasasac.lflinkup.com/2da0da6da3da1da4/Kiss-Across-Chains-Kiss-Across-Time-3-by-Tracy-Cooper-Posey.pdf
    • http://seasasac.lflinkup.com/4da0da4da8da8da7/Real-Men-Snarl-Real-Men-Shift-2-by-Celia-Kyle.pdf
    • http://seasasac.lflinkup.com/1da0da5da7da9da3/Always-Kiss-Me-Goodnight-Guardian-Kiss-1-by-Megan-Gaudino.pdf
    • http://seasasac.lflinkup.com/2da0da7da1da4da6/Real-Men-Don-t-Drink-Appletinis-Real-Men-1-by-Liz-Matis.pdf
    • http://seasasac.lflinkup.com/4da2da6da7da9da7/Real-Grass-Real-Heroes-by-Dom-Dimaggio.pdf
    • http://seasasac.lflinkup.com/5da6da1da5da0da3/Krav-Maga-Real-World-Solutions-to-Real-World-Violence---Disrupt-Damage-Destroy-Disengage-by-Gershon-Ben-Keren.pdf
    • http://seasasac.lflinkup.com/2da6da0da3da0/The-Unreal-and-the-Real-Selected-Stories-Volume-Two-Outer-Space-Inner-Lands-The-Unreal-and-the-Real-2-by-Ursula-K-Le-Guin.pdf

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