Malicious PDF — malware analysis report

Static analysis result for SHA-256 44133a4802a02fbf…

MALICIOUS

PDF

19.1 KB Created: 2019-04-30 04:03:25 +01:00 Authoring application: mPDF 5.7
MD5: ebfe807dddcc44ca4b1030afb9b2288c SHA-1: c5cd3e1679b0d7ca7b7c10512e385823ddbce4f8 SHA-256: 44133a4802a02fbf9f648d920e0a3d299dc3ea7591bf54a65edbaf84f4659563
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, which suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the sheer volume of links points to a link-farming or redirection attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/1096098096098096/Same-Sex-in-the-City-by-Lauren-Levin.pdf
    • http://loaminoo.linkpc.net/2090091098095097/Zoo-City-by-Lauren-Beukes.pdf
    • http://loaminoo.linkpc.net/2096096091097098/Zoo-City-by-Lauren-Beukes.pdf
    • http://loaminoo.linkpc.net/7090091099092/Nana-in-the-City-by-Lauren-Castillo.pdf
    • http://loaminoo.linkpc.net/3097096090091/City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Angels-City-of-Lost-Souls-The-Mortal-Instruments-1-5-by-Cassandra-Clare.pdf
    • http://loaminoo.linkpc.net/4098093094096091/City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Angels-City-of-Lost-Souls-The-Mortal-Instruments-1-5-by-Cassandra-Clare.pdf
    • http://loaminoo.linkpc.net/3095092099096/The-Stepford-Wives-by-Ira-Levin.pdf
    • http://loaminoo.linkpc.net/4093091093092097/The-Last-Ember-by-Daniel-Levin.pdf
    • http://loaminoo.linkpc.net/7091098099094096/Beyond-The-Bass-Clef-by-Tony-Levin.pdf
    • http://loaminoo.linkpc.net/4091094091092094/The-Penguin-Book-of-the-Sonnet-by-Phillis-Levin.pdf
    • http://loaminoo.linkpc.net/3093094097098097/Harry-Conversations-with-the-Prince-by-Angela-Levin.pdf
    • http://loaminoo.linkpc.net/6099092096095097/Impressions-for-Complete-Dentures-by-Bernard-Levin.pdf
    • http://loaminoo.linkpc.net/8095097091095096/Rediscovering-Americanism-And-the-Tyranny-of-Progressivism-by-Mark-R-Levin.pdf
    • http://loaminoo.linkpc.net/3091095091098094/The-Remarkable-Education-of-John-Quincy-Adams-by-Phyllis-Lee-Levin.pdf
    • http://loaminoo.linkpc.net/6090099092094/God-the-Universe-and-Where-I-Fit-in-A-Psychic-s-Reflections-on-Figuring-Out-the-Rest-of-Your-Life-by-Laurie-Ann-Levin.pdf
    • http://loaminoo.linkpc.net/2099095095/Black-Hole-Blues-and-Other-Songs-from-Outer-Space-by-Janna-Levin.pdf
    • http://loaminoo.linkpc.net/1091090096094098091/Richard-Wagner-Fritz-Lang-and-the-Nibelungen-The-Dramaturgy-of-Disavowal-by-David-J-Levin.pdf
    • http://loaminoo.linkpc.net/9093094095090/Love-More-Feed-Less-A-Tasty-Path-Toward-Avoiding-Childhood-Obesity-by-Randi-L-Levin.pdf
    • http://loaminoo.linkpc.net/1091092099094097092/Apples-of-Gold-in-Pictures-of-Silver-Honoring-the-Work-of-Leon-R-Kass-by-Yuval-Levin.pdf
    • http://loaminoo.linkpc.net/9091096097094093/A-m-sica-do-universo-Ondas-gravitacionais-e-a-maior-descoberta-cient-fica-dos-ltimos-cem-anos-by-Janna-Levin.pdf

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