Malicious PDF — malware analysis report

Static analysis result for SHA-256 da2d330fb66e5e78…

MALICIOUS

PDF

40.6 KB Authoring application: pdf-parser
MD5: c3e97d8734858fe096348f9de2295e6a SHA-1: 7117500591d34f7d36b870c54df717d0e63ded0a SHA-256: da2d330fb66e5e78004c3010ea5e67ba859f896a91b82dd4ecbd0f90e2e5a0f9
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The file is a PDF that contains embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, while partially obfuscated, mentions 'Insulin and glucagon relationship' and includes URLs that are likely part of a lure to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://performancecrateengines.com/uploads/1/3/0/3/130324418/7060403.pdf
    • http://sliceoffeist.com/uploads/1/3/0/7/130740292/f20a7.pdf
    • http://theparksphysie.com/uploads/1/3/0/6/130604939/fozafumape-noxitijejiwale-sanulaka-gefakup.pdf
    • http://trentriverdesigns.com/uploads/1/3/0/5/130551423/130551423.html#insulin+and+glucagon+relationship

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fe7.bin
9e01b1fab7d8c3933de3839823187bc43a0e0ad614e24e728344db943ecbf815		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE7 7948 bytes

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