Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ce5046fd4a75d11…

MALICIOUS

PDF

12.7 KB Created: 2019-04-29 23:07:09 +01:00 Authoring application: mPDF 5.7
MD5: 78f07718705d7f5644ff484bc35a8df5 SHA-1: b5cb7baddd8df6432b0820bda00d2ad2e5762327 SHA-256: 2ce5046fd4a75d11b08a023b62b3715af38f48bed05d2d68d2962eb316ca39a9
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm, which are likely intended to direct users to malicious content. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users to download further malicious PDFs by presenting a deceptive list of links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

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/7a04a01a01a05/Sharpe-s-Tiger-Sharpe-1-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/4a05a02a02a06a07/Sharpe-s-Waterloo-Sharpe-20-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a09a01a03a07/Sharpe-s-Enemy-Sharpe-15-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/8a04a00a04a07/Sharpe-s-Regiment-Sharpe-17-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a00a09a03a00/Sharpe-s-Havoc-Sharpe-7-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/3a01a04a03a08a06/Sharpe-s-Rifles-Sharpe-6-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a09a01a09a00/Sharpe-s-Trafalgar-Sharpe-4-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a09a01a06a02/Sharpe-s-Revenge-Sharpe-19-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a09a00a08a04/Sharpe-s-Triumph-Sharpe-2-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a00a08a09a00/Sharpe-s-Escape-Sharpe-10-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a04a09a03a05a06/Sharpe-s-Fortress-Sharpe-3-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/6a05a03a01a00/Sharpe-s-Company-Sharpe-13-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/8a07a03a06a04a06/Sharpes-Feind-Sharpe-Band-15-by-Bernard-Cornwell.pdf
    • http://muicuiu.dumb1.com/1a07a07a08a06a08/The-Throwback-by-Tom-Sharpe.pdf
    • http://muicuiu.dumb1.com/1a01a04a09a02a02a05/They-Also-Serve-by-Bob-Sharpe.pdf
    • http://muicuiu.dumb1.com/2a04a08a09a04a04/Far-from-You-by-Tess-Sharpe.pdf
    • http://muicuiu.dumb1.com/9a04a04a07a09/Indecent-Exposure-by-Tom-Sharpe.pdf
    • http://muicuiu.dumb1.com/3a07a01a06a00a04/Bound-To-The-Billionaire-by-Rod-Sharpe.pdf
    • http://muicuiu.dumb1.com/3a00a05a02a06a06/Oliver-Twisted-by-J-D-Sharpe.pdf
    • http://muicuiu.dumb1.com/3a07a09a01a06/Fresh-by-Dennis-Sharpe.pdf
    • http://muicuiu.dumb1.com/1a07a07a08a06a08/The-T

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