Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a67d5b113f53ad3…

MALICIOUS

PDF

17.5 KB Created: 2019-05-02 01:29:37 +01:00 Authoring application: mPDF 5.7
MD5: 52002126266e606098bf181a234912fd SHA-1: 6af117efa28ffc6157daffce3e938b07f0514655 SHA-256: 4a67d5b113f53ad3cf8aa691694971c4aa3a13d944fe174cd3f21a0599646517
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents hosted on a dynamic DNS domain. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact nature of the lure beyond the link farm. The primary technique observed is the use of external links to redirect users.

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/3098091095093098/Annette-Tison-amp-Talus-Taylor-present-The-Barbapapa-babysitters-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/8090095090097096/Las-pulgas-The-Fleas-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/6098093093090093/Barbapapa-s-New-House-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/8090094099097090/Barbapapa-La-Robe-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/6098093093090098/Barbapapa-s-School-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/6098093095090096/Animals-in-Color-Magic-by-Annette-Tison.pdf
    • http://loaminoo.linkpc.net/8090094098095092/barbapapa-s-ark-by-Annette-amp-Taylor-Talus-Tison.pdf
    • http://loaminoo.linkpc.net/3092094096090098/Guinness-Book-of-World-Records-1985-by-Norris-McWhirter.pdf
    • http://loaminoo.linkpc.net/9095099095093098/Animal-Counting-Book-A-Little-Golden-Book-by-Moritz-Kennel.pdf
    • http://loaminoo.linkpc.net/1091098094094094094/The-Georgia-Black-Book-Morbid-Macabre-and-Sometimes-Disgusting-Records-of-Genealogical-Value-by-Robert-Scott-Davis.pdf
    • http://loaminoo.linkpc.net/1090095093094095096/Guinness-World-Records-Gamer-s-Edition-2008-by-Guinness-World-Records.pdf
    • http://loaminoo.linkpc.net/4093091095097092/The-Book-of-Animal-Ignorance-Everything-You-Think-You-Know-Is-Wrong-by-John-Lloyd.pdf
    • http://loaminoo.linkpc.net/1095098094097095/The-Animal-Lover-s-Book-of-Beastly-Murder-by-Patricia-Highsmith.pdf
    • http://loaminoo.linkpc.net/1098093094094093/Why-Animals-Matter-Animal-Consciousness-Animal-Welfare-and-Human-Well-Being-by-Marian-Stamp-Dawkins.pdf
    • http://loaminoo.linkpc.net/2095095090091097/The-Animal-Rights-Handbook-Everyday-Ways-to-Save-Animal-Lives-by-Laura-Fraser.pdf
    • http://loaminoo.linkpc.net/5096091099099/Animal-Moves-How-to-Move-Like-an-Animal-to-Get-You-Leaner-Fitter-Stronger-and-Healthier-for-Life-by-Darryl-Edwards.pdf
    • http://loaminoo.linkpc.net/3091092093092099/Children-s-books-Tardy-goes-to-Animal-School-The-Water-Bearz-Book-1-by-Dan-Keegan.pdf
    • http://loaminoo.linkpc.net/3090094093099097/Animal-Man-Volume-2-Animal-vs-Man-by-Jeff-Lemire.pdf
    • http://loaminoo.linkpc.net/6098093095090091/EBOOKIVORE-2015-by-Nicolas-Tison.pdf
    • http://loaminoo.linkpc.net/9095091096098091/Guinness-World-Records-2017-by-Guinness-World-Records.pdf
    • http://loaminoo.linkpc.net/1091098094094094094/T

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