Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad5df2602283d1b5…

MALICIOUS

PDF

12.8 KB Created: 2019-04-30 02:42:58 +01:00 Authoring application: mPDF 5.7 First seen: 2021-06-20
MD5: 4b26d16fbdf8688f5df0c9a7b521b29b SHA-1: 0b4e3891aa4df96b41c1db317d6e98631a6a733a SHA-256: ad5df2602283d1b5e2057b8a4c8b6b055cf4b8d9ac03f1cf17b921af17df1cb8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, which is a common tactic for distributing malicious content or phishing lures. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the presence of numerous external links suggests an attempt to redirect the user to a malicious site, likely for a phishing or malware download campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/2a07a02a08a08a07/Looks-Over-Gives-Light-2-by-Rose-Christo.pdf In PDF document text
    • http://muicuiu.dumb1.com/7a01a07a00a03/The-Dogs-of-Balboa-by-Rose-Christo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a06a05a08a04/King-of-the-Celts-by-Rose-Christo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a05a07a01a07a08/The-Place-where-they-Cried-by-Rose-Christo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a07a02a08a08a06/St-Clair-Gives-Light-3-by-Rose-Christo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a03a01a06a07a03/Scent-of-a-White-Rose-The-Rose-Trilogy-1-by-Tish-Thawer.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a00a06a02a04a03/Scent-of-a-White-Rose-The-Rose-Trilogy-1-by-Tish-Thawer.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a06a05a09a04a09/Desert-Rose-The-Warriors-1-by-Laura-Taylor.pdfIn PDF document text
    • http://muicuiu.dumb1.com/3a01a09a02a08a01/Desert-Rose-The-Warriors-1-by-Laura-Taylor.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a04a08a04a04/Unborn-Unborn-1-by-Rose-Christo.pdfIn PDF document text
    • http://muicuiu.dumb1.com/6a00a07a02a08a01/Burglary-in-Buffalo-Butte-Buffalo-Butte-Mystery-3-by-Dorothy-Dayton.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a05a07a03a09a04/White-Rose-of-Night-by-Mel-Keegan.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a06a03a03a00a02/Snow-White-and-Rose-Red-by-Ed-McBain.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a06a09a07a03a03/White-Rose-of-Night-by-Mel-Keegan.pdfIn PDF document text
    • http://muicuiu.dumb1.com/4a05a01a06a04a09/The-White-Rose-by-Mary-Ann-Cook.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a00a00a00a07a00/White-Rose-of-Night-by-Mel-Keegan.pdfIn PDF document text
    • http://muicuiu.dumb1.com/5a00a05a08a09a05/White-Locks-Colorblind-2-by-Rose-B-Mashal.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a09a07a06a02a05/White-Rose-Rebel-by-Janet-Paisley.pdfIn PDF document text
    • http://muicuiu.dumb1.com/1a02a02a00a08a08/Sword-of-the-White-Rose-Mathesons-Book-4-by-J-Ardian-Lee.pdfIn PDF document text
    • http://muicuiu.dumb1.com/2a06a02a06a05/Black-Thorn-White-Rose-by-Ellen-Datlow.pdfIn PDF document text