Malicious PDF — malware analysis report

Static analysis result for SHA-256 0584eaca6859cef0…

MALICIOUS

PDF

26.5 KB Created: 2019-04-30 04:57:59 +01:00 Authoring application: mPDF 5.7
MD5: a7e95722dc8c9d0e7325f73ae21d28e4 SHA-1: bf8c42b824887d5d7e787e809e7c2cc6afa43d3a SHA-256: 0584eaca6859cef06376508aaeb0d14bd6a1987b8a1de49c30234f44ba76b78f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on a dynamic DNS domain. This pattern is indicative of SEO poisoning or a distribution mechanism for further malicious content. While no scripts were explicitly extracted, the PDF structure and the heuristic firings strongly suggest malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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://xiixmcuin.linkpc.net/5202201209209201/A-People-s-History-of-the-Second-World-War-Resistance-Versus-Empire-by-Donny-Gluckstein.pdf
    • http://xiixmcuin.linkpc.net/3202209206200202/Auto-Empire-from-Toyota-to-Ford-business-strategies-about-car-companies-in-the-world-everything-people-want-to-know-by-Eric-Choi.pdf
    • http://xiixmcuin.linkpc.net/5203207206207206/World-War-2-Heroes-Jean-Moulin-amp-The-French-Resistance-Forces-in-WWII-World-War-2-World-War-II-WWII-WW2-Jean-Moulin-French-Resistance-Book-1-by-Ryan-Jenkins.pdf
    • http://xiixmcuin.linkpc.net/4202201203205201/Our-Longest-Days-A-people-s-history-of-the-Second-World-War-by-Sandra-Koa-Wing.pdf
    • http://xiixmcuin.linkpc.net/2201207205208203/Donny-and-Ursula-Save-the-World-by-Sharon-Weil.pdf
    • http://xiixmcuin.linkpc.net/1201202206204202203/Soil-and-Soul-People-versus-Corporate-Power-by-Alastair-McIntosh.pdf
    • http://xiixmcuin.linkpc.net/4207204202207200/World-War-2-History-s-10-Most-Incredible-Women-World-War-II-True-Accounts-Of-Remarkable-Women-Heroes-WWII-history-WW2-War-books-world-war-2-books-war-history-World-war-2-women-by-Stephanie-T-McRae.pdf
    • http://xiixmcuin.linkpc.net/1200206208208200207/The-Limits-of-Empire-European-Imperial-Formations-in-Early-Modern-World-History-Essays-in-Honor-of-Geoffrey-Parker-by-Tonio-Andrade.pdf
    • http://xiixmcuin.linkpc.net/3208204202207205/Making-the-Future-Occupations-Interventions-Empire-And-Resistance-by-Noam-Chomsky.pdf
    • http://xiixmcuin.linkpc.net/1201204206202206202/Radical-Democracy-and-Collective-Movements-Today-The-Biopolitics-of-the-Multitude-Versus-the-Hegemony-of-the-People-by-Alexandros-Kioupkiolis.pdf
    • http://xiixmcuin.linkpc.net/1200200200200203/Fish-Versus-Power-An-Environmental-History-of-the-Fraser-River-by-Matthew-D-Evenden.pdf
    • http://xiixmcuin.linkpc.net/1201203200201208201/A-People-s-History-of-Sports-in-the-United-States-250-Years-of-Politics-Protest-People-and-Play-by-Dave-Zirin.pdf
    • http://xiixmcuin.linkpc.net/1201205201206208/The-Holocaust-A-History-of-Courage-and-Resistance-by-Bea-Stadtler.pdf
    • http://xiixmcuin.linkpc.net/7207208203205201/Speaking-of-Empire-and-Resistance-Conversations-with-Tariq-Ali-by-Tariq-Ali.pdf
    • http://xiixmcuin.linkpc.net/2206205202208204/Last-Words-of-Notable-People-Final-Words-of-More-Than-3500-Noteworthy-People-Throughout-History-by-William-B-Brahms.pdf
    • http://xiixmcuin.linkpc.net/1201203205206200203/The-Easy-PCOS-Diet-Cookbook-Fuss-Free-Recipes-for-Busy-People-on-the-Insulin-Resistance-Diet-by-Tara-Spencer.pdf
    • http://xiixmcuin.linkpc.net/5200200200201206/The-Power-of-the-Zoot-Youth-Culture-and-Resistance-during-World-War-II-by-Luis-Alvarez.pdf
    • http://xiixmcuin.linkpc.net/4200202202202208/The-Trouser-People-A-Story-of-Burma-in-the-Shadow-of-the-Empire-by-Andrew-Marshall.pdf
    • http://xiixmcuin.linkpc.net/3208204202205202/Europe-on-Trial-The-Story-of-Collaboration-Resistance-and-Retribution-during-World-War-II-by-Istv-n-De-k.pdf
    • http://xiixmcuin.linkpc.net/5205200207209200/Resistance-French-Resistance-Book-1-by-Christopher-Nicole.pdf

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