Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0af3c431527831f…

MALICIOUS

PDF

235.1 KB Created: 2021-04-04 19:59:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 56d6b88578b3a616e489c12b27545404 SHA-1: 0324bb937de13b83d622da7967e49d34a8a78c7a SHA-256: e0af3c431527831f1328a1011aa746fd9f0ba670225d3c48401627d6961e601a
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a phishing detection. It contains an external URI pointing to a page about cheating in Roblox, suggesting a lure for phishing or a scam. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, and the presence of embedded URLs further supports the phishing pretext. No scripts were extracted from this sample.

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/how-to-cheat-in-roblox-pokemon-brick-bronze PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00035780.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35780 21628 bytes
SHA-256: 9d34d507a80a05d7ee5101ce0b206ab52eceaa36e0ea746cb7c9a0ae5a635cff
font_01_sfnt_off000386be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x386BE 18768 bytes
SHA-256: ee97e327dd521510933ec427cef4719f87ab74f7130cbe968b29158b0a002100

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