Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e481ac0d3a36018…

MALICIOUS

PDF

17.1 KB Created: 2019-05-07 09:23:43 +01:00 Authoring application: mPDF 5.7
MD5: ed5c7e3a14a4096c1ff541e9ffc1b15e SHA-1: 1e413b8b17b14fce8884157a779b558365e06531 SHA-256: 1e481ac0d3a36018793002ca8415292a3c6032ccce921fcf9811d7dc1adb7a88
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external PDF files hosted on the loaminoo.linkpc.net domain. This pattern is indicative of a link farm or a lure to download further malicious content. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the payload. The ML classifier strongly flagged this PDF as malicious.

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
    • http://loaminoo.linkpc.net/7090097090097095/Storm-in-a-Teacup-Ayala-Storme-1-by-Emmie-Mears.pdf
    • http://loaminoo.linkpc.net/6094096094095097/Any-Port-in-a-Storm-Ayala-Storme-2-by-Emmie-Mears.pdf
    • http://loaminoo.linkpc.net/1094092092090093/Rick-Mears-Thanks-The-Story-of-Rick-Mears-and-the-Mears-Gang-by-Gordon-Kirby.pdf
    • http://loaminoo.linkpc.net/9098092093091/Storm-in-a-Teacup-The-Physics-of-Everyday-Life-by-Helen-Czerski.pdf
    • http://loaminoo.linkpc.net/3099092096092093/Storme-Front-by-W-L-Ripley.pdf
    • http://loaminoo.linkpc.net/1090098095099094098/Starks-Reality-by-Sarah-Storme.pdf
    • http://loaminoo.linkpc.net/6094095099094099/Whisky-in-a-Teacup-by-C-S-Bower.pdf
    • http://loaminoo.linkpc.net/1090096092090098096/Chasing-Dietrich-by-Michael-Mears.pdf
    • http://loaminoo.linkpc.net/2099095093090097/Whiskey-In-a-Teacup-by-Reese-Witherspoon.pdf
    • http://loaminoo.linkpc.net/2091096095095095/Dance-With-Me-by-Emmie-Dark.pdf
    • http://loaminoo.linkpc.net/3096091094092095/How-to-Pour-Madness-Into-a-Teacup-by-Abegail-Morley.pdf
    • http://loaminoo.linkpc.net/4096095096093/Midsummer-s-Magic-by-Emmie-Lou-Kates.pdf
    • http://loaminoo.linkpc.net/7097094095098093/The-Shattered-Teacup-Newbury-and-Hobbes-1-6-by-George-Mann.pdf
    • http://loaminoo.linkpc.net/3096091093094090/The-Shoemaker-s-Raincoat-by-Emmie-Acton-Cooper.pdf
    • http://loaminoo.linkpc.net/3096091093092093/An-Enchanted-Seahorse-by-Emmie-Acton-Cooper.pdf
    • http://loaminoo.linkpc.net/2093098099092098/Pricing-Beauty-The-Making-of-a-Fashion-Model-by-Ashley-Mears.pdf
    • http://loaminoo.linkpc.net/3096091090096097/The-Case-of-the-Missing-Cupakes-by-Emmie-Acton-Cooper.pdf
    • http://loaminoo.linkpc.net/9095096097090096/Die-Trouwen-Wilt-Voorsichtelijck-Predikanten-En-Moralisten-Over-de-Voorbereiding-Op-Het-Huwelijk-in-de-Vlaamse-Bisdommen-17e-18e-Eeuw-by-Hans-Storme.pdf
    • http://loaminoo.linkpc.net/7092097090091/Reclaiming-School-in-the-Aftermath-of-Trauma-Advice-Based-on-Experience-by-Carolyn-Lunsford-Mears.pdf
    • http://loaminoo.linkpc.net/8097099090/Whiskey-in-a-Teacup-What-Growing-Up-in-the-South-Taught-Me-About-Life-Love-amp-Baking-Biscuits-by-Reese-Witherspoon.pdf

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