Malicious PDF — malware analysis report

Static analysis result for SHA-256 67e9f8ca522b9ff6…

MALICIOUS

PDF

16.8 KB Created: 2019-05-03 02:33:54 +01:00 Authoring application: mPDF 5.7
MD5: 56373330ce3e44acde508c029c7f43d6 SHA-1: 062cf8ea067786bf6fd3ec9d2b4f78b7fefac86b SHA-256: 67e9f8ca522b9ff69dd2e1fc3e1aa708065fd42500718c2b2ab49b94cf3ca548
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified as a link farm. This suggests a tactic to manipulate search engine results or distribute content through indirect means. The ML classifier also flagged the document as malicious, reinforcing the suspicious nature of the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2095094094094093/Abraham-Lincoln-A-Presidential-Life-by-James-M-McPherson.pdf
    • http://loaminoo.linkpc.net/5099095098099091/The-Life-of-Abraham-Lincoln-by-Henry-Ketcham.pdf
    • http://loaminoo.linkpc.net/5096093092094097/A-Life-of-Learning-Abraham-Lincoln-s-Pursuit-of-Wisdom-by-Will-Foret.pdf
    • http://loaminoo.linkpc.net/1091099098095092090/Abraham-Lincoln-Volume-2-of-2-The-True-Story-of-a-Great-Life-by-William-Henry-Herndon.pdf
    • http://loaminoo.linkpc.net/1091099098095091097/Abraham-Lincoln-Volume-1-of-2-The-True-Story-Of-A-Great-Life-by-William-Henry-Herndon.pdf
    • http://loaminoo.linkpc.net/2091095095099098/The-Real-Lincoln-A-New-Look-at-Abraham-Lincoln-His-Agenda-and-an-Unnecessary-War-by-Thomas-J-DiLorenzo.pdf
    • http://loaminoo.linkpc.net/1090097094091/Abraham-Lincoln-Vampire-Hunter-Abraham-Lincoln-Vampire-Hunter-1-by-Seth-Grahame-Smith.pdf
    • http://loaminoo.linkpc.net/5091097091099097/Lincoln-and-Black-Freedom-A-Study-in-Presidential-Leadership-by-LaWanda-Cox.pdf
    • http://loaminoo.linkpc.net/2095094094093094/Abraham-Lincoln-by-Thomas-Keneally.pdf
    • http://loaminoo.linkpc.net/5091097091099096/The-Abraham-Lincoln-Encyclopedia-by-Mark-E-Neely-Jr-.pdf
    • http://loaminoo.linkpc.net/4092098093097091/The-Impeachment-of-Abraham-Lincoln-by-Stephen-L-Carter.pdf
    • http://loaminoo.linkpc.net/1095094097095094/Selected-Speeches-and-Writings-by-Abraham-Lincoln.pdf
    • http://loaminoo.linkpc.net/3096096098098099/The-Impeachment-of-Abraham-Lincoln-by-Stephen-L-Carter.pdf
    • http://loaminoo.linkpc.net/3096098097099095/Speeches-and-Writings-1859-1865-by-Abraham-Lincoln.pdf
    • http://loaminoo.linkpc.net/4093096095097093/Abraham-Lincoln-s-Daily-Devotional-by-Paul-F-Crouch-Sr-.pdf
    • http://loaminoo.linkpc.net/3091091096094091/Abraham-Lincoln-Vampire-Hunter-by-Seth-Grahame-Smith.pdf
    • http://loaminoo.linkpc.net/5091097092090092/A-Portrait-of-Abraham-Lincoln-in-Letters-by-His-Oldest-Son-by-Paul-M-Angle.pdf
    • http://loaminoo.linkpc.net/2095094098091096/House-of-Abraham-Lincoln-and-the-Todds-A-Family-Divided-by-War-by-Stephen-Berry.pdf
    • http://loaminoo.linkpc.net/3097091093096099/The-Fiery-Trial-Abraham-Lincoln-and-American-Slavery-by-Eric-Foner.pdf
    • http://loaminoo.linkpc.net/2090098092093097/The-Baltimore-Plot-The-First-Conspiracy-to-Assassinate-Abraham-Lincoln-by-Michael-J-Kline.pdf

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