Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e010e4bc0b8dc5…

MALICIOUS

PDF

47.0 KB Created: 2021-06-11 08:04:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: cd8df3395248de873ce98bab8a3778d7 SHA-1: 0e724fc5c29bf39b8b293ffaa02385179b05de00 SHA-256: d3e010e4bc0b8dc57f029af53b29472ba3f325e2f0469052aea9a9a816c563b4
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/qa-roblox-hacks-azhdh-f-b-game-hack In PDF document text
    • http://sttlets.education/senayan//repository/free-robux-script_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/rbxcity-free-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-website-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-get-free-robux-no-inspect-element-the-monoley_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/wurst-112-2_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/real-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/omplete-surveys-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-hack-back-a-roblox-accunt_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-spins-for-coin-master-app_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-lagless-roblox-recorder_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/is-coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-cheats-android-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/robux-hack-me_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/download-coin-master-hack-tool-v1-9_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_004_off00005531.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5531 26788 bytes
SHA-256: 1dd57aec2a4e2dbcd33f6eeabaaa6ea2985717ac519c0315ac1c213a159181b8
font_01_sfnt_off0000935c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x935C 18924 bytes
SHA-256: 55acae243dd43547a251e7c171548e72607447b2390e1a130d1b3751ff45ff5b

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