Malicious PDF — malware analysis report

Static analysis result for SHA-256 12e11690b0e9ea31…

MALICIOUS

PDF

36.8 KB Created: 2021-05-21 04:43:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2a18ff35ae7af060e35eb3ca83aec544 SHA-1: 5156606a765ddd78ad22f2fb2340d91bb42cb58d SHA-256: 12e11690b0e9ea31048167b985f8d8f2f9f61a4e6d7231a642d5f6c1a064f6af
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirectors and game-hack lures, including one for 'minecraft-java-edition-free-code-game-hack'. The document body also contains text and links related to game cheats and generators, reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/479516143/minecraft-java-edition-free-code-game-hack In PDF document text
    • http://ratchadatitan.com/UserFiles/File/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://ratchadatitan.com/UserFiles/File/coin-master-hacks-no-downloading_GM406889139.pdfIn PDF document text
    • http://ratchadatitan.com/UserFiles/File/www-cheatsk-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ratchadatitan.com/UserFiles/File/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • http://ratchadatitan.com/UserFiles/File/roblox-robux-hack_GM431946152.pdfIn 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_off00003670.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3670 25096 bytes
SHA-256: e54ff60d86447a05e4b01950a753fe9be6b74a8736a11c27a549fda0fa393348
font_01_sfnt_off00006ed1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6ED1 18164 bytes
SHA-256: e28d0ded599416f75746d42b4ddd49ac4ed584cd54835945167b34c6d366202b

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