Malicious PDF — malware analysis report

Static analysis result for SHA-256 937074311327b9a3…

MALICIOUS

PDF

35.5 KB Authoring application: LibreOffice
MD5: 18d62cd4352416093e78461ed2b2d421 SHA-1: 6275a53d26d71f93f147e0cf3183c9b38afa4441 SHA-256: 937074311327b9a38cc6a367e106c0cbb8e3d4e2e2faa23dd0a61577b9ade525
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 URLs. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The embedded URLs point to external resources, suggesting a delivery mechanism for further malicious content. No scripts were extracted, but the PDF structure and embedded URIs are sufficient to infer a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://fonestalve.com/uploads/1/3/0/7/130776594/fikupeka-joviwelaguku-mipibel-gevetunodutazu.pdf
    • http://dapilanuxa.tandifac.tech/uploads/2020/01/29/133107.pdf
    • https://zofepomijatevid.weebly.com/uploads/1/3/0/2/130271229/bd6e608f496.pdf
    • http://foundermachine.org/uploads/1/3/0/4/130478709/zevemo-diwefinexav-pirirolu.pdf
    • http://parksphotography.co.nz/uploads/1/3/0/5/130589371/6adee60.pdf
    • http://blockchainambassador.ca/uploads/1/3/0/4/130488286/130488286.html#perianal+abscess+treatment+uk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010cb.bin
ecbc9e375b8d4273071d7a9068757aa721f01e945e4aed41084adbae1394e9f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CB 7652 bytes

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