Malicious PDF — malware analysis report

Static analysis result for SHA-256 b171cc8f02ebabdb…

MALICIOUS

PDF

41.3 KB Authoring application: Nitro PDF
MD5: c1ec5c8e24c661047db825d5d1bc4993 SHA-1: ff681fe88f93c2fa4fa97669761719cc36891cea SHA-256: b171cc8f02ebabdbaa72218cc704e92542374fc193917a324833f416140b5d5e
92 Risk Score

Malware Insights

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

The file is a PDF document that contains multiple embedded URIs pointing to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The presence of external URIs suggests an attempt to redirect the user to a malicious site or download further malicious content.

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://tomlavery.com/uploads/1/3/0/6/130604581/30b298d2cef8.pdf
    • http://snobz.co/uploads/1/3/0/3/130323425/dd43838ee9fd65.pdf
    • http://sarfa.org/uploads/1/3/0/3/130379232/5605317.pdf
    • http://myautoaccidenthelp.com/uploads/1/3/0/5/130543212/legopalapekavozaj.pdf
    • http://morocco-desert-sahara-tours.com/uploads/1/3/0/2/130291491/5421204.pdf
    • http://thepetsreport.com/uploads/1/3/0/4/130489172/130489172.html#globe+black+and+white+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000106a.bin
14f23c607eb73677e8300792b8da5c1b8b2aee73837d31ea0fc4413b3787b342		 pdf-font-stream PDF embedded font (sfnt) at offset 0x106A 8024 bytes

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