Malicious PDF — malware analysis report

Static analysis result for SHA-256 f02954fd1c0d4e50…

MALICIOUS

PDF

19.3 KB Created: 2019-04-30 05:38:50 +01:00 Authoring application: mPDF 5.7
MD5: b9c84242ec886f02ae7e91b5f516033f SHA-1: 626a6fd902fe8604f9757741dce77fef5a5fccdb SHA-256: f02954fd1c0d4e506d1eb2d96d95923b75cec278462674ce0f2122df7cddd79c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the specific intent of the linked PDFs is unclear, the sheer volume and the nature of the heuristic firing suggest a malicious distribution or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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.li
    • http://loaminoo.linkpc.net/3092093098099091/The-Doom-Machine-by-Mark-Teague.pdf
    • http://loaminoo.linkpc.net/6094095099097093/LaRue-for-Mayor-Letters-from-the-Campaign-by-Mark-Teague.pdf
    • http://loaminoo.linkpc.net/1096096098091097/Dear-Mrs-LaRue-Letters-from-Obedience-School-by-Mark-Teague.pdf
    • http://loaminoo.linkpc.net/2095097096098099/Tales-Of-Horror-On-Halloween-Night-by-Samie-Sands.pdf
    • http://loaminoo.linkpc.net/2095097094097097/Halloween-Night-Trick-or-Treat-by-Jolene-Haley.pdf
    • http://loaminoo.linkpc.net/1090096097096092090/Naughty-At-Halloween-The-Night-of-Lawrence-Welk-by-Stormy-Weather.pdf
    • http://loaminoo.linkpc.net/2099098095097096/Halloween-Spirits-11-Tales-for-the-Darkest-Night-by-Maria-Alexander.pdf
    • http://loaminoo.linkpc.net/4098092099092098/Halloween-4-The-Return-Of-Michael-Myers-Horror-Film-Sequel-Halloween-Franchise-Dwight-H-Little-Alan-B-Mc-Elroy-Michael-Myers-Halloween-Coma-Danielle-Harris-Laurie-Strode-Samuel-Loomis-by-Frederic-P-Miller.pdf
    • http://loaminoo.linkpc.net/3091093093097092/Halloween-Stories-for-Kids-amp-More-17-Assorted-Stories-to-Read-with-Kids-at-Halloween-Bonus-Halloween-Party-Story-Kids-Story-Bundle-Children-s-Series-Spooky-Scary-Funny-by-Betty-J-Byers.pdf
    • http://loaminoo.linkpc.net/7096096096096091/23-Halloween-Crafts-for-Kids-Homemade-Halloween-Costume-Ideas-and-Spooky-Decor-by-Prime-Publishing.pdf
    • http://loaminoo.linkpc.net/6097094099093099/Shadrach-Blundell-by-Dorothea-Teague.pdf
    • http://loaminoo.linkpc.net/1090098095098095091/Hated-By-Time---Challenging-The-Hills-by-Teague-Tauscher.pdf
    • http://loaminoo.linkpc.net/5093094096/The-Night-Mark-by-Tiffany-Reisz.pdf
    • http://loaminoo.linkpc.net/4096099093093098/Last-Night-at-the-Monarch-Motel-by-Mark-Valenti.pdf
    • http://loaminoo.linkpc.net/5090093097093095/The-Curious-Incident-of-the-Dog-in-the-Night-Time-by-Mark-Haddon.pdf
    • http://loaminoo.linkpc.net/6090097095093099/The-Curious-Incident-of-the-Dog-in-the-Night-Time-by-Mark-Haddon.pdf
    • http://loaminoo.linkpc.net/2099095095093099/The-Curious-Incident-of-the-Dog-in-the-Night-time-by-Mark-Haddon.pdf
    • http://loaminoo.linkpc.net/2096099096094094/The-Curious-Incident-of-the-Dog-In-the-Night-time-by-Mark-Haddon.pdf
    • http://loaminoo.linkpc.net/5091099098098091/Spanish-Castle-to-White-Night-by-Mark-Chisnell.pdf
    • http://loaminoo.linkpc.net/3098093092095094/The-Curious-Incident-of-the-Dog-in-the-Night-Time-by-Mark-Haddon.pdf

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