Malicious PDF — malware analysis report

Static analysis result for SHA-256 698ca35ba8f2ad06…

MALICIOUS

PDF

234.9 KB Created: 2021-04-04 19:07:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9f6786a53a9f9213871caa91dd4a3748 SHA-1: b3caf505c31d4a665aad00280c4694b088e0ea55 SHA-256: 698ca35ba8f2ad0612dcaf1a1bbed6b338a2d8715a008927f02770d5a4479af5
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical ClamAV detection for 'Pdf.Phishing.Roblox062100-9873116-0', indicating a known phishing variant. It also includes an external URI pointing to 'http://gaminggenerator.org/app/431946152/free-robux-with-just-a-click', which is likely a malicious link designed to trick users into downloading a payload. The document body, though heavily obfuscated, suggests a lure related to 'Free Robux'.

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-robux-with-just-a-click PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0003563b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3563B 21736 bytes
SHA-256: 26a9557d6469a958af040b00af274f050ba23c5172b8c66160d8af11a85ab054
font_01_sfnt_off00038623.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38623 18576 bytes
SHA-256: 6e37771199a07e5958be6654e9bad89de99f6f8ed1abc984e24371ac67a2277a

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