Malicious PDF — malware analysis report

Static analysis result for SHA-256 507a16c01b6c2ec1…

MALICIOUS

PDF

18.7 KB Created: 2019-05-01 18:50:35 +01:00 Authoring application: mPDF 5.7
MD5: dafd1ef15167efd2c6df7b5f0d830014 SHA-1: 6e0d2281adc4ebd21fead41b5f05e00f9fa19d7e SHA-256: 507a16c01b6c2ec19a91b097d6c877a48312b09f791dfbeea788065201589901
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicated maliciousness. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest this document is intended to redirect users to potentially malicious content or for SEO spam purposes. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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.lin
    • http://loaminoo.linkpc.net/4092092092091093/Treasure-of-Egypt-Humorous-Mystery-Book-1---Treasure-of-the-Ancients-by-Barbara-Ivie-Green.pdf
    • http://loaminoo.linkpc.net/3090091093098094/The-Ghost-Pirate-s-Treasure-Mystery-of-the-Jaguar-Warrior-Paranormally-Yours-1-by-Barbara-Ivie-Green.pdf
    • http://loaminoo.linkpc.net/2091091095090090/One-Man-s-Treasure-by-Charlene-E-Green.pdf
    • http://loaminoo.linkpc.net/3097096091094091/Artifact-Jaya-Jones-Treasure-Hunt-Mystery-1-by-Gigi-Pandian.pdf
    • http://loaminoo.linkpc.net/1097097090094090/Pirate-Vishnu-Jaya-Jones-Treasure-Hunt-Mystery-2-by-Gigi-Pandian.pdf
    • http://loaminoo.linkpc.net/6097090098091095/Michelangelo-s-Ghost-Jaya-Jones-Treasure-Hunt-Mystery-4-by-Gigi-Pandian.pdf
    • http://loaminoo.linkpc.net/1097098095092090/Murder-at-Honeysuckle-Hotel-Trash-to-Treasure-Crafting-Mystery-1-by-Rose-Pressey.pdf
    • http://loaminoo.linkpc.net/5098090099092/Treasure-Hunters-Treasure-Hunters-1-by-James-Patterson.pdf
    • http://loaminoo.linkpc.net/5095098093098099/The-Children-s-Treasure-Book---Vol-V---Little-Women-by-Louisa-May-Alcott.pdf
    • http://loaminoo.linkpc.net/3097095090094092/I-Spy-Treasure-Hunt-A-Book-of-Picture-Riddles-by-Jean-Marzollo.pdf
    • http://loaminoo.linkpc.net/4096093095090099/The-Muppet-Show-Comic-Book-The-Treasure-Of-Peg-Leg-Wilson-by-Roger-Langridge.pdf
    • http://loaminoo.linkpc.net/1090099093096094091/Stolen-by-a-Highland-Rogue-Scottish-Treasure-Book-1-by-Vonda-Sinclair.pdf
    • http://loaminoo.linkpc.net/8092095092096090/Secret-Garden-An-Inky-Treasure-Hunt-and-Colouring-Book-by-Johanna-Basford.pdf
    • http://loaminoo.linkpc.net/1094094096093096/Fifth-Son-Inspector-Green-Mystery-4-by-Barbara-Fradkin.pdf
    • http://loaminoo.linkpc.net/8099093092093098/Summary-MANAGE-YOUR-DAY-TO-DAY---An-Overview-of-Jocelyn-K-Glei-s-Book-Develop-Your-Routine-Treasure-Your-Focus-and-Improve-Your-Creative-Mind-by-Sunny-Akins.pdf
    • http://loaminoo.linkpc.net/5093092096095094/Mining-For-Treasure-Herbert-s-Family-Vacation-Herbert-Books-Book-2-by-Carol-Eyster.pdf
    • http://loaminoo.linkpc.net/3090094094092096/The-Book-of-Olympic-Lists-A-Treasure-Trove-of-116-Years-of-Olympic-Trivia-by-David-Wallechinsky.pdf
    • http://loaminoo.linkpc.net/3098094093096098/Aunt-Dimity-and-the-Buried-Treasure-Aunt-Dimity-Mystery-21-by-Nancy-Atherton.pdf
    • http://loaminoo.linkpc.net/8096098094097/The-Last-Treasure-by-Janet-S-Anderson.pdf
    • http://loaminoo.linkpc.net/2091090090093098/Another-Man-s-Treasure-by-Lisa-Henry.pdf