Malicious PDF — malware analysis report

Static analysis result for SHA-256 159f3eebc62cf461…

MALICIOUS

PDF

234.4 KB Created: 2021-04-04 20:50:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 03ef0b0b621a5672280945e13fc7820a SHA-1: fbe92afdd8a6f39daf0fe6b2df9c7b7624ec1bb3 SHA-256: 159f3eebc62cf46129a4f73f09b1b1dfe67af9270064a6b95a956489466d1af9
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.Roblox062100-9873116-0. It contains an embedded URL pointing to a potential exploit for Roblox, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains references to 'exploit' and 'hack apk', reinforcing the malicious intent. The presence of a benign Wikipedia URL may be used to lend an appearance of legitimacy.

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/exploit-roblox-hack-apk
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003572f.bin
c9d3538eb46813df352a1d9d62f10d92eb1bbe9a37216e5a38e9b342a8d5e8a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3572F 21892 bytes
font_01_sfnt_off000386eb.bin
98241d722b5afc552bcdf1fdddfe899c5d93f33c569da1edc8126e68ee883a1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x386EB 17668 bytes

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