Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbbada8658f1b7b8…

MALICIOUS

PDF

14.1 KB Created: 2019-05-01 20:08:50 +01:00 Authoring application: mPDF 5.7
MD5: f203bc7cad8dcf5c5551342bd32c625b SHA-1: b81c7afcb17971740af65ee63d0f284a9d8fdffe SHA-256: cbbada8658f1b7b8174f455f5dd918be2261b673d782eac14446db20a040e4b7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, characteristic of a link farm. The ML classifier strongly indicated maliciousness. The primary attack pattern involves redirecting users to a multitude of potentially malicious or unwanted content hosted on the 'loaminoo.linkpc.net' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/2099098096092091/Davy-Harwood-The-Immortal-Prophecy-1-by-Tijan.pdf
    • http://loaminoo.linkpc.net/2092091097091091/Immortal-Prophecy-The-Immortal-Prophecy-Saga-1-by-Samantha-Adams.pdf
    • http://loaminoo.linkpc.net/5091096093099099/Blessed-City-The-Letters-Of-Gwen-Harwood-To-Thomas-Riddell-by-Gwen-Harwood.pdf
    • http://loaminoo.linkpc.net/3091090099097094/Prophecy-s-Language-Prophecy-4-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/1093091099094094/Love-s-Prophecy-Prophecy-1-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/4092091096092/Love-s-Prophecy-Prophecy-1-by-Brenda-Dyer.pdf
    • http://loaminoo.linkpc.net/1091093098093095/Arielle-Immortal-Quickening-Immortal-Rapture-4-by-Lilian-Roberts.pdf
    • http://loaminoo.linkpc.net/9093095095098/Arielle-Immortal-Awakening-Immortal-Rapture-1-by-Lilian-Roberts.pdf
    • http://loaminoo.linkpc.net/1098091096099098/Arielle-Immortal-Awakening-Immortal-Rapture-1-by-Lilian-Roberts.pdf
    • http://loaminoo.linkpc.net/1099098094099093/Arielle-Immortal-Awakening-Immortal-Rapture-1-by-Lilian-Roberts.pdf
    • http://loaminoo.linkpc.net/1098098090093094/Immortal-of-My-Heart-Immortal-Series-2-by-Alexis-McNeil.pdf
    • http://loaminoo.linkpc.net/2090097096092098/Immortal-Bound-Immortal-Dreams-2-by-Jennifer-Sage.pdf
    • http://loaminoo.linkpc.net/3095096097091098/Immortal-Blood-Immortal-Heart-1-by-Magen-McMinimy.pdf
    • http://loaminoo.linkpc.net/1092092090094095/Immortal-Champion-Immortal-Brotherhood-3-by-Lisa-Hendrix.pdf
    • http://loaminoo.linkpc.net/6095092097096/Black-Art-by-V-T-Davy.pdf
    • http://loaminoo.linkpc.net/2095091091096/Davy-by-Edgar-Pangborn.pdf
    • http://loaminoo.linkpc.net/3098097091098/Immortal-Immortal-1-by-Gillian-Shields.pdf
    • http://loaminoo.linkpc.net/2090097093096090/Immortal-Immortal-1-by-Gene-Doucette.pdf
    • http://loaminoo.linkpc.net/1093094098095099/Immortal-Ops-Box-Set-Immortal-Ops-1-4-by-Mandy-M-Roth.pdf
    • http://loaminoo.linkpc.net/1094091091098094/Immortal-Immortal-1-by-Valjeanne-Jeffers.pdf
    • http://loaminoo.linkpc.net/2090097096092098/Immortal-Bound-Immortal-Dreams-2-by-Jennifer-Sag

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