PDF static analysis report

Static analysis result for SHA-256 761ee960ee50653a…

SUSPICIOUS

PDF

32.1 KB Created: 2021-07-19 00:23:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 642513a69c30b2aa31bba0548774f890 SHA-1: 55c1a7ba17b8020f497e72312204ca0f17091e05 SHA-256: 761ee960ee50653ad76ed9c60e009dd530e38f69204d9eca4bb633ab9b75fc8e
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains text and embedded URLs related to obtaining free Robux, a common lure for phishing and malware distribution. The ML classifier strongly flagged this PDF as malicious. The presence of multiple suspicious URLs, including one pointing to a potential executable download, indicates an attempt to trick users into downloading a second-stage payload. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious workflow.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9463

Heuristics 3

  • 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://netcdn.tw/app/431946152/free-robux-no-human-verification-or-survey-2021-game-hack PDF link annotation
    • http://mypizzaoven.com/images/free-robux-games-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://mypizzaoven.com/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://mypizzaoven.com/images/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • 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_off000025fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25FA 22188 bytes
SHA-256: 1d8a9a2574a7e6f60ede4d76520c0d9993124100ad99996d73780cd79810b152
font_01_sfnt_off0000576a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x576A 19744 bytes
SHA-256: 046dde0b98b0e350a9b3d039bd59d00ed9dd60c59f8a340029bdaeca07b7a61f

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