Malicious PDF — malware analysis report

Static analysis result for SHA-256 47805902e12a3d62…

MALICIOUS

PDF

32.8 KB Created: 2021-06-29 23:18:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-20
MD5: cf7371bf64d7e0fd611f88fe23fd9517 SHA-1: 60b841bc8dc8cdf4910762b07829b1988d96457e SHA-256: 47805902e12a3d6274c44ca339f4439b3ef7ed4f2cb04ad0c292122f9a69ac98
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/hack-robux-no-verification-human-game-hack In PDF document text
    • http://sttlets.education/senayan/repository/join-this-group-for-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/haktuts-coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-hide-and-seek-cheat_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-bgs-hacks_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-roblox-hack-no-virus_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-robux-hack-generator-no-survey-2021_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/moon-active-games_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/tiktok-free-fans-and-followers_GM835599320.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/minecraft-sign-up-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/toolbox-apk_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-robux-script_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/hack-coin-master-free_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-html-code-2021_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_off000029be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29BE 22072 bytes
SHA-256: a3bc3526b31ea89765910b79c3b16f1637ab6aa467163cc2430dbdac81968ded
font_01_sfnt_off00005a7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A7D 19340 bytes
SHA-256: 8c208d4f114197534f8db89afb6d05f842d56c1cf3c622021053217fbaac6914

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