Malicious PDF — malware analysis report

Static analysis result for SHA-256 89ea6b927b1c30b3…

MALICIOUS

PDF

15.9 KB Created: 2019-04-30 04:59:31 +01:00 Authoring application: mPDF 5.7
MD5: 2fa19364dc3fb241e0bce81b0e274721 SHA-1: 1fa6cdfa3e71c6add513e67f36d769dfa33f2fae SHA-256: 89ea6b927b1c30b36e19ed134f06d9497203d28d1f82b5e452accc769c7f60d1
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. While the specific URLs themselves are currently marked as benign, the sheer volume and structure suggest a link farm or a mechanism to distribute further malicious content. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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/2a01a07a02a02a05/Within-Reach-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/2a01a06a02a08a09/Below-the-Belt-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/2a01a01a07a07a07/The-Best-Laid-Plans-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/3a00a05a02a03a04/One-Good-Reason-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/4a08a00a05a01a07/Home-for-the-Holidays-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/6a08a05a09a01a05/Plaisirs-interdits-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/4a05a09a04a01a07/Satisfaction-Brothers-Ink-1-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/2a01a06a04a00a08/One-Good-Reason-Adamson-Brothers-2-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/2a01a06a03a07a06/Take-on-Me-Secret-Lives-of-Daytime-Divas-1-by-Sarah-Mayberry.pdf
    • http://muicuiu.dumb1.com/1a01a06a01a09a05a04/abbreviations-mayberry-by-george-mayberry.pdf
    • http://muicuiu.dumb1.com/3a03a04a09a00a04/Her-Best-Friend-by-Sarah-Wray.pdf
    • http://muicuiu.dumb1.com/2a00a07a05a00a09/The-Guardians-An-Elegy-for-a-Friend-by-Sarah-Manguso.pdf
    • http://muicuiu.dumb1.com/5a06a01a02a02a04/Caillou-My-Imaginary-Friend-by-Sarah-Margaret-Johanson.pdf
    • http://muicuiu.dumb1.com/1a00a07a01a00a00a07/Friend-Against-Friend-Sweet-Valley-High-69-by-Francine-Pascal.pdf
    • http://muicuiu.dumb1.com/3a06a09a07a07a07/Any-Friend-of-God-s-is-a-Friend-of-Mine-A-Biblical-amp-Historical-Exploration-of-the-Catholic-Doctrine-of-the-Communion-of-Saints-by-Patrick-Madrid.pdf
    • http://muicuiu.dumb1.com/2a03a07a09a04a07/How-to-Be-a-Friend-to-a-Friend-Who-s-Sick-by-Letty-Cottin-Pogrebin.pdf
    • http://muicuiu.dumb1.com/2a06a02a08a05a06/Mellifica-Wait-for-Me-bk-2-by-Melissa-Mayberry.pdf
    • http://muicuiu.dumb1.com/6a03a09a06a07/The-House-on-Mayberry-Road-by-Troy-McCombs.pdf
    • http://muicuiu.dumb1.com/3a09a07a06a09a07/Poppy-Mayberry-A-New-Day-Nova-Kids-3-by-Jennie-K-Brown.pdf
    • http://muicuiu.dumb1.com/2a09a07a02a06a01/The-Friend-Zone-Chloe-and-Skye-The-Friend-Zone-1-by-Tabetha-Thompson.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.