PDF static analysis report

Static analysis result for SHA-256 77192c1082b24c97…

SUSPICIOUS

PDF

36.6 KB Created: 2021-05-12 10:33:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 98a545fa70e1df6c8cda0817a67cfe81 SHA-1: a9d703850b5772bf095757906b1dcd07e2ed3737 SHA-256: 77192c1082b24c9754a30ba8d66df7e4c497aa4efe4d570356db4b2b14c71c5d
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as suspicious. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/free-robux-app-real-game-hack 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
stream_003_off000033ec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x33EC 24720 bytes
SHA-256: 285317525f5cbe91dbce2e69d1956bcd2fa9b32f1124b65173ef242a0c81d39a
font_01_sfnt_off00006cea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CEA 18492 bytes
SHA-256: 9e447b6d8b47d61e54db9515b6598511f2c2f765926adb3e35dae1cd8ee44e1f

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