Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd3794b66f963111…

MALICIOUS

PDF

35.7 KB Created: 2021-05-10 10:48:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 52e29a2ae6d2ce1a78df6fcb2d2c0ea1 SHA-1: 8123b3a29433c43d62c0c9722633a498d805d6af SHA-256: fd3794b66f9631114cf6a32f3ad1d79f9227cfb471beaa04bae2f656ed518941
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains heuristics indicating it's a lure for a 'game hack' or 'generator' which redirects to malicious infrastructure. The embedded URL 'https://netcdn.xyz/app/431946152/roblox-tix-generator-game-hack' is identified as a known malicious redirector. While no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest an attempt to exploit vulnerabilities or trick the user into downloading a payload.

Machine Learning

  • Nyx PDF Classifier clean score 0.0265

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/roblox-tix-generator-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00002f6a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F6A 25516 bytes
SHA-256: 4f8e13b6a44051a0d2c17998c281abc085d25196f3983e217dc2b2491bbd1a5f
font_01_sfnt_off000069f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69F9 18236 bytes
SHA-256: c306490dc44d557a5a15fb05308447a7f7e02cb0664141b46cc1ed38f297bb82

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