Malicious PDF — malware analysis report

Static analysis result for SHA-256 338b7469f6e630f2…

MALICIOUS

PDF

35.8 KB Created: 2021-05-23 12:39:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1748ca674507cef109b722b0abf816e5 SHA-1: e0abd37d66abf52ea4ed2f7c76659f9bb3529f98 SHA-256: 338b7469f6e630f23442012e0772a450ed908450afcfc7170decfab0ddceb6c6
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs that redirect to malicious infrastructure, masquerading as game hacks or generators. The heuristic firings confirm these links are associated with malicious redirectors and a lure for game hacks. While no scripts were extracted, the document body contains text and links designed to trick users into clicking through to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/free-minecraft-server-maker-game-hack In PDF document text
    • https://ethraa-sys.com/userfiles/files/free-spins-in-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • https://ethraa-sys.com/userfiles/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://ethraa-sys.com/userfiles/files/how-much-tiktok-free-account_GM835599320.pdfIn PDF document text
    • https://ethraa-sys.com/userfiles/files/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
    • https://ethraa-sys.com/userfiles/files/cmaster-club-coin-master-hack_GM406889139.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
stream_002_off00003311.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3311 25060 bytes
SHA-256: 89b6f0d032c612f2ca754b529797e577dfb5881b6be5b12e86b6d4e4c5d72f80
font_01_sfnt_off00006c0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C0C 17852 bytes
SHA-256: a2113846211f941d41962086a33418b46c13efddcea93467eebdb757cad7d920

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