Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6359c60e0bfd96d…

MALICIOUS

PDF

14.8 KB Created: 2019-05-07 06:12:54 +01:00 Authoring application: mPDF 5.7
MD5: ec3b5df42c3a1adac8323c85955a5369 SHA-1: 4d352c4ffbbd39af31b6e5c33a9f4c2d6b047aaa SHA-256: b6359c60e0bfd96d680175b8e69ac5f5e9708d44a6e2c22133ffecbd3e002807
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the sheer volume of links suggests a malicious intent to distribute or host harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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/4a08a00a00a02a02/Before-You-Came-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/3a07a04a08a09a07/I-Didn-t-Do-It-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/4a05a05a01a07a09/Skylark-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/1a04a00a05a03/Seven-Kisses-in-a-Row-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/1a04a00a08a03/Cassie-Binegar-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/8a04a08a01a04/Sarah-Plain-and-Tall-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/3a05a07a01a00a07/The-True-Gift-A-Christmas-Story-by-Patricia-MacLachlan.pdf
    • http://muicuiu.dumb1.com/4a09a06a00a02a02/Moon-Dark-by-Patricia-Wrightson.pdf
    • http://muicuiu.dumb1.com/4a01a07a05a01a09/Under-the-Spell-of-the-Moon-by-Patricia-Aldana.pdf
    • http://muicuiu.dumb1.com/3a08a03a08a00/Moon-Called-Mercy-Thompson-1-by-Patricia-Briggs.pdf
    • http://muicuiu.dumb1.com/4a06a08a09a09a03/Righteous-Lies-Dancing-Moon-Ranch-1-by-Patricia-Watters.pdf
    • http://muicuiu.dumb1.com/3a00a03a08a01a00/Patricia-Briggs-Mercy-Thompson-Moon-Called-Volume-2-by-David-Lawrence.pdf
    • http://muicuiu.dumb1.com/2a02a08a06a00a08/One-Little-Sin-MacLachlan-Family-2-by-Liz-Carlyle.pdf
    • http://muicuiu.dumb1.com/4a03a09a03a09a03/The-Dead-Eye-Boy-by-Angus-Maclachlan.pdf
    • http://muicuiu.dumb1.com/4a03a07a08a06a08/Mungo-Park-by-T-Banks-MacLachlan.pdf
    • http://muicuiu.dumb1.com/5a05a09a07a01/Billy-Bishop-Goes-to-War-by-John-MacLachlan-Gray.pdf
    • http://muicuiu.dumb1.com/1a05a00a09a02a01/The-Fiend-In-Human-by-John-MacLachlan-Gray.pdf
    • http://muicuiu.dumb1.com/5a09a08a01a05a05/Nina-Bouraoui-Autofiction-and-the-Search-for-Selfhood-by-Rosie-MacLachlan.pdf
    • http://muicuiu.dumb1.com/1a04a05a03a01a04/A-Perfect-Mistake-Hope-Parish-2-A-Perfect-Secret-2-by-Zoe-Dawson.pdf
    • http://muicuiu.dumb1.com/1a00a06a03a07a08a03/THE-PERFECT-CONSULTANT-THE-PERFECT-SERIES-by-ELAINE-VAN-DER-ZEIL.pdf
    • http://muicuiu.dumb1.com/3a08a03a08a00/Moon-Called-Mercy-

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