Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7294477a9c4e0f…

MALICIOUS

PDF

33.2 KB Created: 2021-07-03 13:24:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 17dc1718c91f7b090d5155e200929965 SHA-1: c6b550801bcf858da3e86a275360ece857253bfd SHA-256: cd7294477a9c4e0f14bb7833bbc9f519b03d70dd0943da3b06d991393e68d438
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.tw/app/479516143/minecraft-gun-games-free-game-hack In PDF document text
    • https://lib.bunghatta.ac.id/app/repository/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/1b-robux-hack_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/gamehunters-coin-master_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/do-you-get-free-robux-on-your-birthday_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-build-games-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/real-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-weapon-simolator-hack_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/minecraft-free-ios_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-hacks-for-imac_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-hack-robuxian-secret-forum-hack_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-free-robux-on-roblox-2021-pc_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/hack-coin-master-site-rssingcom_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/free-codes-free-price-game-passes-roblox_GM431946152.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
    • https://lib.bunghatta.ac.id/app/repository/roblox-hack-youtube_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_off00002e8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E8D 22204 bytes
SHA-256: fdb5d5367897e22875f933d76a2a85d7f56bf0dfef2c39dcb8e7420b37b8eb26
font_01_sfnt_off00005f30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F30 18256 bytes
SHA-256: 1a5b8f0ff490882a45443305677932134da5891a7241cadf5a7a96653e7528b8

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