Malicious PDF — malware analysis report

Static analysis result for SHA-256 e55000663a94bbce…

MALICIOUS

PDF

16.3 KB Created: 2020-02-15 15:56:53 +00:00 Authoring application: mPDF 5.7
MD5: ec26a2d44c520233780dfc51def3aa99 SHA-1: 76e1a000351d02ba224afa0d4dd4992178d32814 SHA-256: e55000663a94bbce5cb278a77b95602174ed2e7bb9ca2eb2a689938d43a27590
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicates maliciousness. The primary attack pattern involves hosting numerous external links, likely for SEO poisoning or to redirect users to malicious content. No scripts were extracted from this sample.

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://owlaokopdf.myhome.cx/981658168816581608160/Vandermeer-s-Curse-by-M-Harris.pdf
    • http://owlaokopdf.myhome.cx/181618169816681648165/The-Lazarus-Curse-Dr-Thomas-Silkstone-4-by-Tessa-Harris.pdf
    • http://owlaokopdf.myhome.cx/281688160816681678163/The-Curse-Breakers-The-Curse-Keepers-2-by-Denise-Grover-Swank.pdf
    • http://owlaokopdf.myhome.cx/181628169816981628167/Curse-of-the-Wolf-Veela-Curse-Series-1-by-Danica-Winters.pdf
    • http://owlaokopdf.myhome.cx/681688168816281638163/Under-the-Same-Moon-My-Life-with-Frank-Zappa-Steve-Vai-Bob-Harris-and-a-Community-of-Other-Artistic-Souls-by-Thana-Harris.pdf
    • http://owlaokopdf.myhome.cx/28166816081658169/The-Third-Bear-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/181658167816881648165/Authority-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/981658168816581668166/Errata-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/5816881688168/Borne-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/981658168816581668168/Album-Zutique-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/28167816381698162/Finch-Ambergris-3-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/381678161816981638160/The-Time-Traveller-s-Almanac-by-Ann-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/881628160816881618166/Leviathan-Into-the-Gray-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/281678164816281648160/Veniss-Underground-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/181658167816781658163/Annihilation-Southern-Reach-1-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/981658168816581678164/Weird-Tales-356-Summer-2010-by-Ann-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/281608167816881658167/Curse-of-the-Alpha-The-Complete-Bundle-Curse-of-the-Alpha-serial-1-6-by-Tasha-Black.pdf
    • http://owlaokopdf.myhome.cx/28165816881638162/The-Weird-A-Compendium-of-Strange-and-Dark-Stories-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/281638164816781628166/Monstrous-Creatures-Explorations-of-Fantasy-Through-Essays-Articles-and-Reviews-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/981658168816481698161/Booklife-Strategies-and-Survival-Tips-for-the-21st-Century-Writer-by-Jeff-VanderMeer.pdf
    • http://owlaokopdf.myhome.cx/281678163

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