Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e1fe53d0dcf1fa1…

MALICIOUS

PDF

16.2 KB Created: 2019-04-30 17:40:26 +01:00 Authoring application: mPDF 5.7
MD5: 2559510ff4fec501c5982234e8646d50 SHA-1: 5ec1f73464bdf21acc5b0b4f986afa98e13d5fc9 SHA-256: 9e1fe53d0dcf1fa1648c13a6a06d73294b05abc2ff0d17e68862660e6411c39e
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF documents hosted on the 'loaminoo.linkpc.net' domain. While the individual linked PDFs are marked as benign, the sheer volume and nature of the links suggest a tactic to drive traffic to potentially malicious or deceptive content. The ML_NYX_PDF_MALICIOUS classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/1093095091096090/Stolas-Dark-Soul-1-by-Randi-Cooley-Wilson.pdf
    • http://loaminoo.linkpc.net/1094097097094090/Revelation-The-Revelation-1-by-Randi-Cooley-Wilson.pdf
    • http://loaminoo.linkpc.net/3091094099097093/Dark-Soul-Vol-2-Dark-Soul-2-by-Aleksandr-Voinov.pdf
    • http://loaminoo.linkpc.net/4098096097090094/Dark-Soul-Vol-3-Dark-Soul-3-by-Aleksandr-Voinov.pdf
    • http://loaminoo.linkpc.net/3097094098093/Queen-of-Song-and-Souls-Tairen-Soul-4-by-C-L-Wilson.pdf
    • http://loaminoo.linkpc.net/2090097095095095/Crown-of-Crystal-Flame-Tairen-Soul-5-by-C-L-Wilson.pdf
    • http://loaminoo.linkpc.net/3098098094095/Lady-of-Light-and-Shadows-Tairen-Soul-2-by-C-L-Wilson.pdf
    • http://loaminoo.linkpc.net/2090097095094092/Queen-of-Song-and-Souls-Tairen-Soul-4-by-C-L-Wilson.pdf
    • http://loaminoo.linkpc.net/2090092099093090/Dark-Illusion-by-Patricia-Wilson.pdf
    • http://loaminoo.linkpc.net/3094097095091098/Dark-Soul-Volume-III-by-Aleksandr-Voinov.pdf
    • http://loaminoo.linkpc.net/3094096095097091/Living-in-Process-Basic-Truths-for-Living-the-Path-of-the-Soul-by-Anne-Wilson-Schaef.pdf
    • http://loaminoo.linkpc.net/6095090091094/Dark-Soul-The-Legends-of-Regia-4-by-Tenaya-Jayne.pdf
    • http://loaminoo.linkpc.net/4092097096092090/Soul-Chase-Dark-Souls-3-by-Anne-Hope.pdf
    • http://loaminoo.linkpc.net/2098092096093093/Captive-Soul-The-Dark-Crescent-Sisterhood-5-by-Anna-Windsor.pdf
    • http://loaminoo.linkpc.net/3099092096092099/The-Long-Dark-Tea-time-of-the-Soul-Dirk-Gently-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1090091096099094095/The-Dark-Night-of-the-Soul-and-the-Living-Flame-of-Love-St-John-of-the-Cross-Fount-Classics-Series-by-Robert-Van-De-Weyer.pdf
    • http://loaminoo.linkpc.net/4096098092093092/A-Fortnight-From-God-A-Dialogue-With-Dom-by-Richie-Cooley.pdf
    • http://loaminoo.linkpc.net/8096093090099090/Cooley-s-Panther-by-Jody-Wallace.pdf
    • http://loaminoo.linkpc.net/3094095094092091/Soul-Whispers-II-Secret-Alchemy-of-the-Elements-in-Soul-Coaching-Soul-Whispers-2-by-Denise-Linn.pdf
    • http://loaminoo.linkpc.net/2098092093095090/How-To-Keep-Sparkly-Emo-Vampires-Off-Your-Lawn-by-Mike-Cooley.pdf

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