Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f0e17c700d98805…

MALICIOUS

PDF

234.3 KB Created: 2021-04-04 20:10:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0ec971d0ce0804b3550d9e0fbfa2ec91 SHA-1: f80c254af8cb9e8258ec42893c0f311c4b4040f1 SHA-256: 3f0e17c700d988056d4f36c035cba955419d8a2ef9e53e0f7aa2f01940722ee5
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as malicious by ClamAV with the signature Pdf.Phishing.Roblox062100-9873116-0. It contains an embedded URI pointing to a website that claims to offer 'free online Roblox studio', coupled with a visual download button lure. This suggests a phishing or social engineering attempt to trick users into visiting a potentially malicious site or downloading an unwanted application.

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/free-online-roblox-studio
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00035688.bin
b081cbb9c1ee318f3805652562ede9c9c1c80aba81f7f4d1ccc5e2201d2e0049		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35688 21948 bytes
font_01_sfnt_off0003860c.bin
9142dd6feed807b8bb5ffa367233d008c238809993833cee3e441cd4d8e75244		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3860C 17880 bytes

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