Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdde6fcda411ad2a…

MALICIOUS

PDF

15.2 KB Created: 2019-05-01 20:40:59 +01:00 Authoring application: mPDF 5.7
MD5: 9c9b833c458a5c03310d9406b502a767 SHA-1: 721bac952c9f6c12a1db641485262931942505e3 SHA-256: fdde6fcda411ad2a66199b9bd142ec30e58dc5f8957aeb1567295560070683eb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to direct users to malicious websites. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, but the primary attack pattern is the mass linking.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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://loaminoo.linkpc.net/2092091099098096/Resisting-the-Enemy-by-Lorraine-Campbell.pdf
    • http://loaminoo.linkpc.net/7095098095099094/Enigma-The-Final-Chapter-Enigma-4-by-Shandi-Boyes.pdf
    • http://loaminoo.linkpc.net/7095098097095091/The-Enigma-Broker-The-Enigma-8-by-Charles-V-Breakfield.pdf
    • http://loaminoo.linkpc.net/7095098095094097/Enigma-of-Life-Enigma-1-by-Shandi-Boyes.pdf
    • http://loaminoo.linkpc.net/1091092093090097092/Atlantis-Rediscovered-An-Orbis-Enigma-Book-Orbis-Enigma-Series-by-Jacques-H-bert.pdf
    • http://loaminoo.linkpc.net/1098092097092093/The-Butterfly-s-Funeral-A-Sequel-to-the-Butterfly-s-Ball-and-Grasshopper-s-Feast-by-J-L-B-.pdf
    • http://loaminoo.linkpc.net/2097098097092096/Butterfly-Kisses-The-Butterfly-Chronicles-2-by-Mia-Castile.pdf
    • http://loaminoo.linkpc.net/5096090090097097/Butterfly-1-Butterfly-1-by-Arash-Amel.pdf
    • http://loaminoo.linkpc.net/1090091093092098094/A-Clockwork-Butterfly-The-Clockwork-Butterfly-Trilogy-1-by-Tabitha-Rayne.pdf
    • http://loaminoo.linkpc.net/9091092092095095/Love-Your-Tattoo-By-Lorraine-Sande-by-Lorraine-Sande.pdf
    • http://loaminoo.linkpc.net/1098093092095098/The-Campbell-Plan-The-Simple-Way-to-Lose-Weight-and-Reverse-Illness-Using-The-China-Study-s-Whole-Food-Plant-Based-Diet-by-Thomas-M-Campbell-II.pdf
    • http://loaminoo.linkpc.net/1094095097094097/Project-Butterfly-Project-Butterfly-1-by-K-A-Angliss.pdf
    • http://loaminoo.linkpc.net/3091091091094091/Cooking-with-Soup-A-Campbell-Cookbook-by-Campbell-Soup-Company.pdf
    • http://loaminoo.linkpc.net/4090095090097093/Enigma-by-Robert-Harris.pdf
    • http://loaminoo.linkpc.net/4092091094099096/Enigma-by-Robert-Harris.pdf
    • http://loaminoo.linkpc.net/2095092093093096/Enigma-by-Peter-Milligan.pdf
    • http://loaminoo.linkpc.net/7095098096097099/Enigma-Tales-by-Una-McCormack.pdf
    • http://loaminoo.linkpc.net/1093098099096097/Enigma-by-Robert-Harris.pdf
    • http://loaminoo.linkpc.net/8097098099096094/The-Enigma-of-Stonehenge-by-John-Fowles.pdf
    • http://loaminoo.linkpc.net/7095098097095090/Vaulcron-Enigma-3-by-Ditter-Kellen.pdf

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