PDF static analysis report

Static analysis result for SHA-256 f809cee1cd12712b…

SUSPICIOUS

PDF

36.8 KB Created: 2021-05-11 00:01:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: d7b121f368d78e67f835334f7c6fe187 SHA-1: 976abe8fd06f4bbdc9193b3646000a8aed8df1f7 SHA-256: f809cee1cd12712bd18d64dcd11349221b5dea6680d1ad4140d182b6ee3ccfc2
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent lure for 'Promo Codes For Free Robux' and a link to a generator, identified by the PDF_GAME_HACK_REDIRECT_LURE heuristic. This strongly suggests a phishing or scam attempt. Although no scripts were extracted, the embedded URL is the primary indicator of compromise and likely leads to a malicious site designed to exploit user interest in free in-game currency.

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/promo-codes-for-free-robux-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_off00003358.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3358 25204 bytes
SHA-256: 75435405f6f6791c0192e65e93d1a2eecaf0282843ab505ad7b18c7bca81183e
font_01_sfnt_off00006d98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D98 18604 bytes
SHA-256: 79f1ed749ebb86ed8378b1cb9aa6f559fb500c5101e3810faa0ee40136890037

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