Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef98b8d66385fbdf…

MALICIOUS

PDF

23.1 KB Created: 2019-04-30 01:53:18 +01:00 Authoring application: mPDF 5.7
MD5: cb5b78c1637b7804d5e63fcc16433e9e SHA-1: 16b5d7fe19c2d7795d46796b4eae972cddc2de76 SHA-256: ef98b8d66385fbdfe0a5cdac239d30aa2f72cdfbdbcec251899d64861c45d390
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves directing users to a link farm, likely to host further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9784

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/8a05a08a09a05a06/Six-Bilingual-Plays-of-Moliere-Les-Femmes-Savantes-The-Learned-Ladies-L-Avare-The-Miser-Le-Tartuffe-The-Tartuffe-Le-Misanthrope-The-Misanthrope-Le-Malade-Imaginaire-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/8a05a08a09a05a01/The-Misanthrope-Tartuffe-and-Other-Plays-by-Maya-Slater.pdf
    • http://muicuiu.dumb1.com/8a05a08a09a00a06/Cliffs-Notes-on-Moli-re-s-Tartuffe-the-Misanthrope-and-the-Bourgeois-Gentleman-by-Denis-M-Calandra.pdf
    • http://muicuiu.dumb1.com/5a00a04a01a02a01/The-Misanthrope-and-Other-Plays-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/4a07a04a03a07a04/The-Misanthrope-and-Other-Plays-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/5a02a08a08a03a00/Tartuffe-and-the-Bourgeois-Gentleman-Le-Tartuffe-et-Le-Bourgeois-Gentilhomme-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/7a07a04a08a01a03/French-Classics-Vol-1-A-Selection-of-Plays-by-Corneille-Moliere-and-Racine-Edited-with-English-Notes-Cinna-a-Tragedy-And-Les-Femmes-Savantes-a-Comedy-by-P-Corneille.pdf
    • http://muicuiu.dumb1.com/3a07a06a04a05/The-Misanthrope-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/8a05a01a01a08a01/Six-Restoration-and-French-Neoclassic-Plays-Phedre-the-Miser-Tartuffe-All-for-Love-the-Country-Wife-Love-for-Love-by-David--Thomas.pdf
    • http://muicuiu.dumb1.com/5a08a08a01a04a07/Moliere-Les-Femmes-Savantes-by-Noel-Peacock.pdf
    • http://muicuiu.dumb1.com/5a06a03a08a07a03/Tartuffe-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/8a05a08a09a07a05/TARTUFFE-after-MOLIERE-by-Andrew-Hilton.pdf
    • http://muicuiu.dumb1.com/8a05a08a09a06a00/Tartuffe-Or-the-Hypocrite-by-Moliere-Moliere.pdf
    • http://muicuiu.dumb1.com/8a05a08a09a07a08/Tartuffe-Or-the-Hypocrite-by-Moliere-Moliere.pdf
    • http://muicuiu.dumb1.com/8a05a09a00a00a00/Tartuffe-de-Moli-re-Tome-03-by-Fred-Duval.pdf
    • http://muicuiu.dumb1.com/7a03a02a03a09a01/The-Bourgeois-Gentleman-The-Doctor-In-Spite-of-Himself-The-Affected-Damsels-The-Miser-Regular-Edition-The-Miser-Four-Plays-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/7a03a02a03a08a00/The-Miser-and-Other-Plays-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/6a09a09a04a09a03/Tartuffe-oder-Der-Betr-ger-Der-Betrogene-oder-George-Dandin-Vorspiel-in-Versailles-by-Moli-re.pdf
    • http://muicuiu.dumb1.com/4a09a07a04a03a04/Diatribes-Volume-1-50-Essays-From-a-Godless-Misanthrope-by-Noah-Lugeons.pdf
    • http://muicuiu.dumb1.com/8a05a08a08a06a08/Tartuffe-by-Chris-Campbell.pdf

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