Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8496565df2a0c8b…

MALICIOUS

PDF

43.9 KB Authoring application: Solid Converter PDF
MD5: cf41a97fdc6a2b2b4642b60cb69c7d47 SHA-1: 7ad15bda2286982870076d7c5e3f3b0cce3531f9 SHA-256: c8496565df2a0c8b7624a6afc6392e4713c6b7bf4b7b810dc08005447801b3ac
92 Risk Score

Malware Insights

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

The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains multiple embedded URLs pointing to other PDF files, suggesting a phishing or malware distribution campaign. The document body attempts to lure users with a fake "World Cup 2018 final full match download" reference, which is a common social engineering tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://nessskintique.com/uploads/1/3/0/2/130272511/8909681.pdf
    • http://logoless.net/uploads/1/3/0/4/130488362/7595655.pdf
    • http://drrobertlang.com/uploads/1/3/0/6/130620450/nebudimo.pdf
    • http://mindfulsouthcarolina.com/uploads/1/3/0/5/130551445/85ebb0a.pdf
    • http://judehayes.com/uploads/1/3/0/8/130874366/130874366.html#world+cup+2018+final+full+match+download

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001040.bin
3e83fc0f5a22f8ce9886cf6d3a9f6271e1353c20a6c69d4c8b479ed10b9a7411		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1040 8400 bytes
font_01_sfnt_off000064fe.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64FE 16204 bytes

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