Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5fd9ea7e9e952b7…

MALICIOUS

PDF

234.2 KB Created: 2021-04-04 19:07:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: 22ea9ada230aef7bc957b7187234c2f8 SHA-1: 737c0d845feae9e2e58485585ddad622a71ac9f8 SHA-256: b5fd9ea7e9e952b7cb121babc4466843df0d5a0d5e87165a2303e8c2fd42fe0a
72 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Phishing.Roblox062100-9873116-0. It contains an embedded URI pointing to a website offering a 'Roblox Free Hack', suggesting a phishing or scam attempt. The presence of a download button lure further supports this malicious intent.

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/infant-roblox-free-hack 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_off00035592.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35592 21532 bytes
SHA-256: cb3409c922df3f8729e579f05f62cfc05bd8d1c160aad230958e1428527dae37
font_01_sfnt_off0003847f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3847F 18144 bytes
SHA-256: b402e45df76d1d6fb07a2496c17b7f9d1e1a454e93483c7b413118639e35cda6

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