Malicious PDF — malware analysis report

Static analysis result for SHA-256 132d6bc54f1e0cbb…

MALICIOUS

PDF

26.9 KB Created: 2021-06-23 16:05:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3257abcec31a52714e2860c65cb0a70d SHA-1: a44f3485104819606a7386ae8684d214e6eaa53b SHA-256: 132d6bc54f1e0cbbc4cbaad09910ce563a9cfad7b50fa46859a0bca2fd5bdce3
130 Risk Score

Malware Insights

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

The PDF document contains a lure for a 'game hack' and a 'Robux generator', directing users to click a link. This link, http://netcdn.co/app/431946152/roblox-cheat-engine-hacks-2021-game-hack, is associated with known malicious redirector infrastructure. The document's structure and content suggest it is designed to trick users into visiting a potentially harmful site, likely as part of a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier clean score 0.0521

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 http://netcdn.co/app/431946152/roblox-cheat-engine-hacks-2021-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
font_00_sfnt_off000014fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14FE 21424 bytes
SHA-256: fa95753f01c8d04af5a7a3294ee251d2f023f0ccd270d16e818a1546bc8251de
font_01_sfnt_off0000442d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x442D 19448 bytes
SHA-256: f4dd6e63b9d80251adee0777cdf474fdc4719c5884c0422b522281541ab94f9f

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