Malicious PDF — malware analysis report

Static analysis result for SHA-256 941a3ebbd3535ff1…

MALICIOUS

PDF

44.8 KB Created: 2021-06-03 06:30:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 727309e4f427fd52d316427698c51d76 SHA-1: 4717b847b1e6bff2742c8b53e60ed0bbb677e3a2 SHA-256: 941a3ebbd3535ff1167d8182a7d22f057ab6be6e59ce94988b62d31dd0307935
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/coin-master-hack-no-verify-game-hack In PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-free-school_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-free-item-codes_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-coin-spin_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/robux-offers_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-avatar-free_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/is-tiktok-free_GM835599320.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-codes-2021-not-used_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
stream_004_off000053cc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x53CC 24884 bytes
SHA-256: 163a41824226d4fbbabdef592cced715641979b1d7faa1db80ab781a45287d17
font_01_sfnt_off00008d35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D35 18032 bytes
SHA-256: 54638c529080804e5acac8de7a55685f76245eef83df4e09abff776108167d18

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