Malicious PDF — malware analysis report

Static analysis result for SHA-256 deae23ab5ecc67e1…

MALICIOUS

PDF

19.1 KB Created: 2019-05-02 01:30:09 +01:00 Authoring application: mPDF 5.7
MD5: 9126f1dbe75c7b02589644ba6c189571 SHA-1: 24ed3075bfd5171aa8118302e47f912875891183 SHA-256: deae23ab5ecc67e1f5a4279d00586f774183d6037c698a2a53c66d0a48bd415e
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 to external PDF documents hosted on the domain 'muicuiu.dumb1.com'. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. While the ML classifier strongly suggests maliciousness, the exact payload or intent beyond linking is not clear from the static analysis. No scripts were extracted from this sample.

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://muicuiu.dumb1.com/5a00a09a03a08a02/Comment-on-dit-a-t-es-mort-en-anglais-by-Claude-Guilmain.pdf
    • http://muicuiu.dumb1.com/5a01a07a07a03a08/Comment-Baptiste-est-mort-by-Alain-Blotti-re.pdf
    • http://muicuiu.dumb1.com/8a05a00a02a07a04/MINI-VISUEL-LE-FRAN-AIS-ANGLAIS-by-Jean-Claude-Corbeil.pdf
    • http://muicuiu.dumb1.com/2a03a03a02a04a01/Weaving-Wyrd-The-Poetry-and-Thoughts-of-Elle-Mort-by-Elle-Mort.pdf
    • http://muicuiu.dumb1.com/9a00a07a03a07a09/Metamorphosen-Der-Siebten-Kunst-Franzosische-Romane-Des-19-Jahrhunderts-in-Ihrer-Filmischen-Umsetzung-Flaubert-Madame-Bovary-Claude-Chabrol-1991-Zola-Germinal-Claude-Berri-1993-by-Sabine-Seifert.pdf
    • http://muicuiu.dumb1.com/3a07a01a08a09a05/The-Vampires-Ange-De-La-Mort-The-Vampires-Ange-De-La-Mort-1-by-B-S-M-Stoneking.pdf
    • http://muicuiu.dumb1.com/5a09a04a05a01a03/Collins-Robert-French-English-English-French-Dictionary-Robert-Collins-Dictionnaire-Francais-Anglais-Anglais-Francais-by-Collins.pdf
    • http://muicuiu.dumb1.com/8a02a05a03a00a00/Les-Anglais-by-Sarah-Pickard.pdf
    • http://muicuiu.dumb1.com/5a06a03a09a07a05/Diggy-Dog-le-chien-qui-parlait-anglais-by-Florence-Basca.pdf
    • http://muicuiu.dumb1.com/6a06a00a00a06a08/American-Darling-Textes-anglais-ou-am-ricains-by-Russell-Banks.pdf
    • http://muicuiu.dumb1.com/8a03a05a02a07a07/The-Soul-of-Man-Under-Socialism-Bilingue-anglais-fran-ais-by-Oscar-Wilde.pdf
    • http://muicuiu.dumb1.com/6a08a00a01a05a02/Dr-Jekyll-and-Mr-Hyde-Bilingue-anglais-fran-ais-by-Robert-Louis-Stevenson.pdf
    • http://muicuiu.dumb1.com/2a06a07a09a00a09/Mort-e-by-Robert-Repino.pdf
    • http://muicuiu.dumb1.com/1a00a07a02a01a09a04/The-Illegal-by-John-Mort.pdf
    • http://muicuiu.dumb1.com/5a03a07a07a04a07/La-Petite-Mort-by-Eli-Wilde.pdf
    • http://muicuiu.dumb1.com/7a04a01a01a02a00/Mort-in-vitro-by-Martin-Winckler.pdf
    • http://muicuiu.dumb1.com/6a06a06a02a03a02/La-Mort-D-Agrippine-by-Cyrano-de-Bergerac.pdf
    • http://muicuiu.dumb1.com/3a06a04a00a01a09/Mort-Discworld-4-by-Terry-Pratchett.pdf
    • http://muicuiu.dumb1.com/6a09a08a00a05/Mort-Discworld-4-by-Terry-Pratchett.pdf
    • http://muicuiu.dumb1.com/5a01a02a04a08a04/Dough-A-Memoir-by-Mort-Zachter.pdf
    • http://muicuiu.dumb1.com/9a00a07a03a07a09/Metamorphosen-Der-Siebten-Kunst-Franzosische-Romane-Des-19-Jahrhunderts-in-Ihrer-Filmischen-Umsetzung-Flaubert-Madame-Bovary-Claude-Chabrol-1991-Zola-Ger

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