Malicious PDF — malware analysis report

Static analysis result for SHA-256 29b34c75fe848840…

MALICIOUS

PDF

22.9 KB Created: 2019-04-30 05:30:46 +01:00 Authoring application: mPDF 5.7
MD5: e188638263f084a4402179a7b4b06435 SHA-1: 47a12fecc8b83801153894a5cf3689fcb555cc09 SHA-256: 29b34c75fe84884024d5656bb4386cd4bf04628660e3442ed393d0f2a9da0d23
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded URLs, constituting a link farm. These links point to external PDF documents, suggesting a lure or redirection mechanism. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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/4a00a01a01a07a04/Charlie-and-the-Chocolate-Factory-Charlie-Bucket-1-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/6a05a06a04a09/Charlie-and-the-Chocolate-Factory-and-Charlie-and-the-Great-Glass-Elevator-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/7a08a09a00a06a02/Roald-Dahl-Omnibus-Charlie-and-the-Chocolate-Factory-James-and-the-Giant-Peach-Fantastic-Mr-Fox-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/3a00a04a06a00a02/Charlie-and-the-Chocolate-Factory-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/1a00a01a06a09a06a06/Charlie-and-the-Chocolate-Factory-Movie-Tie-In-Novel-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/8a07a07a06a03a00/Charlie-And-The-Chocolate-Factory-Gift-Book-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/3a06a03a03a04/Charlie-and-the-Great-Glass-Elevator-Charlie-Bucket-2-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/4a04a05a05a01a05/The-Complete-Adventures-Of-Charlie-And-Mr-Willy-Wonka-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/2a01a03a00a05a06/The-Children-of-the-Red-King-Books-1-5-Midnight-for-Charlie-Bone-Charlie-Bone-and-the-Time-Twister-Charlie-Bone-and-the-Invisible-Boy-Charlie-Bone-and-the-Castle-of-Mirrors-and-Charlie-Bone-and-the-Hidden-King-by-Jenny-Nimmo.pdf
    • http://muicuiu.dumb1.com/1a01a00a05a07a01a00/Matilda-The-Chocolate-Cake-Edition-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/3a07a06a02a09a08/The-Gremlins-The-Lost-Walt-Disney-Production-A-Royal-Air-Force-Story-by-Flight-Lieutenant-Roald-Dahl-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/1a00a01a08a09a08/The-Roald-Dahl-Omnibus-Perfect-Bedtime-Stories-for-Sleepless-Nights-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/7a02a06a02a01a06/Je-suis-Charlie-Chronologie-de-l-attaque-terroriste-contre-Charlie-Hebdo-by-Josh-Seyward.pdf
    • http://muicuiu.dumb1.com/1a00a07a06a01a07a02/Comrade-Charlie-Charlie-Muffin-9-by-Brian-Freemantle.pdf
    • http://muicuiu.dumb1.com/1a00a07a06a02a02a00/See-Charlie-Run-Charlie-Muffin-7-by-Brian-Freemantle.pdf
    • http://muicuiu.dumb1.com/6a01a06a01a03/Boy-and-Going-Solo-Roald-Dahl-s-Autobiography-1--2-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/7a08a08a09a05a09/Roald-Dahl-Magical-Mischief-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/7a08a08a09a05a00/Roald-Dahl-s-Mischief-and-Mayhem-by-Roald-Dahl.pdf
    • http://muicuiu.dumb1.com/5a06a00a02a09a05/Film-Realise-Par-Charlie-Chaplin-Filmographie-de-Charlie-Chaplin-Un-Roi-a-New-York-Le-Dictateur-Les-Temps-Modernes-La-Ruee-Vers-L-Or-by-Livres-Groupe.pdf
    • http://muicuiu.dumb1.com/8a08a04a05a03a02/La-Gu-a-de-Charlie-Joe-Jackson-Para-No-Leer-Charlie-Joe-Jackson-s-Guide-to-Not-Reading-by-Tommy-Greenwald.pdf
    • http://muicuiu.dumb1.com/1a00a01a06a09

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