Malicious PDF — malware analysis report

Static analysis result for SHA-256 47e62695e8745f0c…

MALICIOUS

PDF

39.8 KB Authoring application: Karbon
MD5: f7bf2ab4b04f92f1255612791205f0e1 SHA-1: 594b8243b13be7c3683520b5705ad92876ccd611 SHA-256: 47e62695e8745f0caf78c7a3e8429ae8ea6008fdd983b512830a3268596ada42
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. The PDF_SEO_LINK_FARM heuristic identified a large number of external links, suggesting a link farm designed to redirect users to potentially harmful content. The embedded URLs are the primary indicators of compromise, likely serving as lures or downloaders.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://myfineswine.com/uploads/1/3/0/4/130435959/72cc4ff6f31a1.pdf
    • http://valkyriearmory.com/uploads/1/3/0/2/130272554/7989329.pdf
    • http://survive2life.com/uploads/1/3/0/6/130620501/b2c498.pdf
    • http://3mtruedef.com/uploads/1/3/0/5/130539408/395987ae6.pdf
    • http://bestflooringco.com/uploads/1/3/0/2/130274154/9350397.pdf
    • http://stealthlaptops.com/uploads/1/3/0/5/130590521/jikazekomutedu.pdf
    • http://bigcreekkennels.com/uploads/1/3/0/6/130639848/678c1deeb578.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/5/130590561/130590561.html#ahsoka+tano+vs+darth+vader+castellano

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001151.bin
64b73482a24e68e0e334721fa9a3680e6ead8d845feb5e88b1f5e1727974a5ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1151 8972 bytes

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