PDF static analysis report

Static analysis result for SHA-256 b19ec7e80ead63da…

SUSPICIOUS

PDF

38.8 KB Created: 2021-05-12 17:05:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: cb86e449a92cb77c5561713de39286f8 SHA-1: 8ba169d48c32ada6c965cf94488dd7b0f38a5b79 SHA-256: b19ec7e80ead63da5ebc4b6d53d3ab697d04f2db304a000e48b2df1d1179fcf7
52 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link and call-to-action text related to 'Free Robux', a common lure for scams. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' confirms this, pointing to a suspicious URL. While no scripts were extracted, the document's structure and embedded URI strongly suggest a phishing or scam attempt designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

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-without-verification-or-survey-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
font_00_sfnt_off00003334.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3334 28516 bytes
SHA-256: 0e4bb221b49ecec949e191e1630e61bc897d9d7651d095d58cfe6677296f3176
font_01_sfnt_off000073ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73BA 19256 bytes
SHA-256: e141b644a4ecfde99000ea6fb335fe57c508717aca49a84e1609c2cc829300c4

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