Malicious PDF — malware analysis report

Static analysis result for SHA-256 106867ab13861b98…

MALICIOUS

PDF

20.7 KB Created: 2019-05-07 04:21:24 +01:00 Authoring application: mPDF 5.7
MD5: 9cc89690be87b985e6933038642c1cbb SHA-1: 5b9169a404b344c4e161029e54ebfaa0f890ff7b SHA-256: 106867ab13861b98100372bf8cf6947249dbbe03bb10bb01b6b7476702b9cdd3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous URLs suggests an attempt to direct users to potentially malicious content or for SEO manipulation. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9904

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/3092094098097095/No-Such-Thing-As-A-Secret-A-Brandy-Alexander-Mystery-1-by-Shelly-Fredman.pdf
    • http://loaminoo.linkpc.net/3092094098098090/No-Such-Thing-as-a-Lost-Cause-A-Brandy-Alexander-Mystery-5-by-Shelly-Fredman.pdf
    • http://loaminoo.linkpc.net/3093091094096095/Good-Thing-Bad-Thing-50-Reasons-3-by-Nick-Alexander.pdf
    • http://loaminoo.linkpc.net/3097095094095092/Trace-Their-Shadows-Brandy-O-Bannon-Mystery-1-by-Ann-Turner-Cook.pdf
    • http://loaminoo.linkpc.net/3093092099092091/Every-Secret-Thing-by-Emma-Cole.pdf
    • http://loaminoo.linkpc.net/5091096097097099/Every-Secret-Thing-by-Marie-Munkara.pdf
    • http://loaminoo.linkpc.net/8099091090098/Gloria-s-Secret-Cat-Island-2-by-Robin-Alexander.pdf
    • http://loaminoo.linkpc.net/1091098091097093/The-Secret-Journal-of-Alexander-Mackenzie-by-Brian-Fawcett.pdf
    • http://loaminoo.linkpc.net/6092090090097097/The-Mystery-of-the-Shemitah-Updated-Edition-The-3-000-Year-Old-Mystery-That-Holds-the-Secret-of-America-s-Future-the-World-s-Future-and-Your-Future-by-Jonathan-Cahn.pdf
    • http://loaminoo.linkpc.net/1096098093098094/There-s-No-Such-Thing-as-Free-Speech-And-It-s-a-Good-Thing-Too-by-Stanley-Fish.pdf
    • http://loaminoo.linkpc.net/3098094096099098/24-1-Christmas-Tales-Butterfly-Adventures-in-Santa-s-Secret-City-by-Alexander-Ruth.pdf
    • http://loaminoo.linkpc.net/5097094099094092/Rhinoceros-Success-The-Secret-to-Charging-Full-Speed-Toward-Every-Opportunity-by-Scott-Alexander.pdf
    • http://loaminoo.linkpc.net/1091094096094096097/The-Pint-of-No-Return-A-Sloan-Krause-Mystery-2-by-Ellie-Alexander.pdf
    • http://loaminoo.linkpc.net/3095097098098092/The-Key-to-the-Ranch-An-Alexander-Wright-Mystery-Adventure-6-by-William-L-Mansfield.pdf
    • http://loaminoo.linkpc.net/1090099093091094091/Jump-City-Tractus-Fynn-Mystery-Book-2-by-M-K-Alexander.pdf
    • http://loaminoo.linkpc.net/6095091095096096/A-Crime-of-Passion-Fruit-Bakeshop-Mystery-6-by-Ellie-Alexander.pdf
    • http://loaminoo.linkpc.net/3092092090092093/A-Murder-in-Thebes-Mystery-of-Alexander-the-Great-2-by-Anna-Apostolou.pdf
    • http://loaminoo.linkpc.net/2092098097097090/Murder-At-The-Carousel-Club-A-Matthew-Alexander-Mystery-by-Barbara-Fleming.pdf
    • http://loaminoo.linkpc.net/1092095094093093/The-Secret-Seacliff-High-Mystery-1-by-Kathi-Daley.pdf
    • http://loaminoo.linkpc.net/3096099092095093/English-Lit-Relit-A-Short-History-of-English-Literature-from-the-Precursors-Before-Swearing-to-the-Pre-Raphaelites-and-a-Little-After-Intended-to-Help-Students-See-the-Thing-Through-or-See-Through-the-Thing-and-Omitting-Nothing-Unimportant-by-Richard-Armour.pdf