Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0d4dadd8220425a…

MALICIOUS

PDF

16.7 KB Created: 2019-05-06 16:28:20 +01:00 Authoring application: mPDF 5.7
MD5: 749c0fe502362de5efeda177a781e66c SHA-1: fef37a82efd5f7de19497a5b77d1ca51bda4f6cb SHA-256: f0d4dadd8220425aec7e8a4f9bff6f8bee26e4adc0c1ee66574a4818118db3b5
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external websites, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9810

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/3a08a03a02a09a01/Welcome-to-Nowhere-by-Elizabeth-Laird.pdf
    • http://muicuiu.dumb1.com/2a02a03a00a06a06/Red-Sky-in-the-Morning-by-Elizabeth-Laird.pdf
    • http://muicuiu.dumb1.com/1a00a07a00a06a08/Jake-s-Tower-by-Elizabeth-Laird.pdf
    • http://muicuiu.dumb1.com/4a00a08a01a07a03/The-Lure-of-the-Honeybird-The-Storytellers-of-Ethiopia-by-Elizabeth-Laird.pdf
    • http://muicuiu.dumb1.com/3a00a00a03a08a02/A-Laird-to-Hold-A-Laird-for-All-Time-5-by-Angeline-Fortin.pdf
    • http://muicuiu.dumb1.com/1a05a06a00a06/Seduction-and-Betrayal-Women-and-Literature-by-Elizabeth-Hardwick.pdf
    • http://muicuiu.dumb1.com/3a00a09a04a05a07/Echoes-of-Betrayal-Paladin-s-Legacy-3-by-Elizabeth-Moon.pdf
    • http://muicuiu.dumb1.com/4a07a09a07a01a00/Elizabeth-s-Education-The-Inheritance-by-Maggie-Carpenter.pdf
    • http://muicuiu.dumb1.com/5a09a01a06a05a08/The-Blair-Witch-Project-Il-mistero-della-strega-di-Blair-Il-dossier-by-D-A-Stern.pdf
    • http://muicuiu.dumb1.com/4a03a06a06a01a01/Wounds-of-the-Father-A-True-Story-of-Child-Abuse-Betrayal-and-Redemption-by-Elizabeth-Garrison.pdf
    • http://muicuiu.dumb1.com/2a06a02a09a01a05/Betrayal-of-Justice-Zachary-Blake-Betrayal-2-by-Mark-M-Bello.pdf
    • http://muicuiu.dumb1.com/2a05a05a03a07a08/Betrayal-Kyle-s-Revenge-Betrayal-3-by-Sofia-Velardi.pdf
    • http://muicuiu.dumb1.com/2a05a05a09a01a09/Betrayal-Abby-s-Guilt-Betrayal-1-by-Sofia-Velardi.pdf
    • http://muicuiu.dumb1.com/2a01a09a00a09a06/Maggie-Reloaded-Maggie-MacKay-Magical-Tracker-7-by-Kate-Danley.pdf
    • http://muicuiu.dumb1.com/2a07a04a05a02a07/Maggie-s-Image-Maggie-McGill-Mystery-1-by-Sharon-Burch-Toner.pdf
    • http://muicuiu.dumb1.com/2a01a09a00a08a00/Maggie-Get-Your-Gun-Maggie-MacKay-Magical-Tracker-2-by-Kate-Danley.pdf
    • http://muicuiu.dumb1.com/3a00a01a03a07a04/Maggie-at-Sea-Maggie-McGill-Mystery-5-by-Sharon-Burch-Toner.pdf
    • http://muicuiu.dumb1.com/2a00a06a05a04a02/You-re-Mine-Maggie-The-Misadventures-of-Maggie-Mae-2-by-Beth-Yarnall.pdf
    • http://muicuiu.dumb1.com/2a09a05a03a09a08/Tip-It-The-World-According-to-Maggie-by-Maggie-Griffin.pdf
    • http://muicuiu.dumb1.com/8a04a04a00a06a02/Audition-for-Murder-Maggie-Ryan-1967-Maggie-Ryan-and-Nick-O-Connor-1-by-P-M-Carlson.pdf

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