PDF static analysis report

Static analysis result for SHA-256 04aa4f664ee06b95…

SUSPICIOUS

PDF

36.8 KB Created: 2021-05-13 12:50:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: e71554dca30497b7f1179dcd5ee918b7 SHA-1: 9b5fbaf89457b3fb15c0722ea0da4f340a5f1293 SHA-256: 04aa4f664ee06b958db7df7626ae4a65a095cb66086546ddd924098cd24561df
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a fake CAPTCHA heuristic, indicating it's designed to trick users into interacting with it. It also includes a link to a suspicious URL, likely intended for a malicious redirect. The document body contains text related to 'Scary Larry Roblox' and a 'CLICK HERE TO ACCESS ROBLOX GENERATOR' call to action, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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 https://netcdn.xyz/app/431946152/scary-larry-roblox-game-hack PDF link annotation
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 3

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_off0000309c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309C 27168 bytes
SHA-256: bb3990041377f45e2b570a0b1cd9e153e816f326c7427ea476ab17b502fb11d1
font_01_sfnt_off00006e84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E84 18192 bytes
SHA-256: ba27f4eeb4bcce8663c8a9babab3f494db8d3d97cbaf637729f4d360a8d104c0

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