Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd49b7e047b205a2…

MALICIOUS

PDF

19.3 KB Created: 2019-06-04 08:41:53 +01:00 Authoring application: mPDF 5.7
MD5: d1a749e6ace9a9e923155bfc6a61ba0f SHA-1: c3c3637ba010879dc28a30af0446dfc7c546b269 SHA-256: bd49b7e047b205a22260145c763772dcb50e9288a903b2faffe18a1cad500c91
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. While the document body is unreadable, the presence of numerous links suggests an attempt to redirect users to potentially harmful content or for SEO manipulation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9775

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://cefasfese.4pu.com/3737732738734736/Chiggers-by-Hope-Larson.pdf
    • http://cefasfese.4pu.com/4736732737732739/Goldie-Vance-Vol-2-by-Hope-Larson.pdf
    • http://cefasfese.4pu.com/2733730735738/Summer-for-the-Gods-The-Scopes-Trial-and-America-s-Continuing-Debate-Over-Science-and-Religion-by-Edward-J-Larson.pdf
    • http://cefasfese.4pu.com/7731738739732731/The-Long-Hot-Summer-by-Rochelle-Alers.pdf
    • http://cefasfese.4pu.com/3732736734/All-Summer-Long-by-Dorothea-Benton-Frank.pdf
    • http://cefasfese.4pu.com/9734739738735/Long-Summer-Day-Horseman-Riding-By-Trilogy-1-by-R-F-Delderfield.pdf
    • http://cefasfese.4pu.com/1736739730731738/A-Shadow-in-Summer-Long-Price-Quartet-1-by-Daniel-Abraham.pdf
    • http://cefasfese.4pu.com/6735739736731730/The-Long-Hot-Texas-Summer-McCabe-Homecoming-2-by-Cathy-Gillen-Thacker.pdf
    • http://cefasfese.4pu.com/2732739734735733/Morning-Is-a-Long-Time-Coming-Summer-of-My-German-Soldier-2-by-Bette-Greene.pdf
    • http://cefasfese.4pu.com/1734731736735732/The-Long-Ball-The-Summer-of-75----Spaceman-Catfish-Charlie-Hustle-and-the-Greatest-World-Series-Ever-Played-by-Tom-Adelman.pdf
    • http://cefasfese.4pu.com/1736731730739733/Kyle-s-New-Stepbrother-II-Long-Hot-Summer-Nick-and-Kyle-Book-2-by-Brad-Vance.pdf
    • http://cefasfese.4pu.com/3731737730734733/The-Caterpillar-Girl-A-long-hot-summer-A-boy-A-girl-A-house-of-dark-secrets-by-Adam-Longden.pdf
    • http://cefasfese.4pu.com/7733736731730733/Holding-onto-Hope-The-Complete-Hope-Trilogy-Hope-Trilogy-1-3-by-Alice-Bello.pdf
    • http://cefasfese.4pu.com/1730737730732732737/The-Fiction-of-J-Albin-Larson-by-J-Albin-Larson.pdf
    • http://cefasfese.4pu.com/3736734731739730/Summer-s-Journey-Volume-One---Losing-Control-Summer-s-Journey-1-by-Summer-Daniels.pdf
    • http://cefasfese.4pu.com/1730734738733734/His-Majesty-s-Hope-Maggie-Hope-Mystery-3-by-Susan-Elia-MacNeal.pdf
    • http://cefasfese.4pu.com/4732734735738730/Hope-against-Hope-Christian-Eschatology-at-the-Turn-of-the-Millennium-by-Richard-Bauckham.pdf
    • http://cefasfese.4pu.com/7739732731731730/Talk-about-Hope-Two-Bob-Hope-Writers-Trade-Stories-by-Gene-Perret.pdf
    • http://cefasfese.4pu.com/1738739739736737/Know-Hope-Finding-Hope-in-Tragedy-by-Tammy-Conner-Stearns.pdf
    • http://cefasfese.4pu.com/4737731739738730/Hope-Under-Mistletoe-Seasons-of-Hope-1-by-Jessica-R-Patch.pdf
    • http://cefasfese.4pu.com/2732739734735733/Morning-Is-a-Long-Time-Coming-Summer-of-My-German-Sol

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