Malicious PDF — malware analysis report

Static analysis result for SHA-256 fba445bea58bce73…

MALICIOUS

PDF

234.7 KB Created: 2021-04-04 20:40:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 002a5eb5e245c410f170a05e9d95e74e SHA-1: 7011bcef1de85c154a0d2bd85b2d945891f69d10 SHA-256: fba445bea58bce737e1e67e2e223a9a9ceeae22facbaccea0f40673699b325be
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific phishing signature related to Roblox. It contains an embedded URI pointing to a suspicious domain that appears to be a lure for game-related "hacks". While no scripts were extracted, the presence of the external URI and the phishing heuristic strongly suggest a social engineering attack aimed at tricking users into visiting a malicious website.

Machine Learning

  • Nyx PDF Classifier clean score 0.0491

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://gaminggenerator.org/app/431946152/does-spy_evan-hack-on-roblox
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003561c.bin
5d6482dd453969df5f8d3d721295a6288332724a6abfb105bc93725fd8eb7c9a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3561C 21652 bytes
font_01_sfnt_off000385c0.bin
3ebc8ab801c4cb08e1a0dc7315e29f9b883756f0a34362ee9fc4edf1afefe443		 pdf-font-stream PDF embedded font (sfnt) at offset 0x385C0 18424 bytes

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