Malicious PDF — malware analysis report

Static analysis result for SHA-256 94152c8b8d4a8dde…

MALICIOUS

PDF

33.5 KB Created: 2021-07-06 07:01:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-12
MD5: d5bd9cbd68d1a38b9aa98b8bb8014459 SHA-1: 38c7becea311b99e552cfe166c977626d4c4e0a0 SHA-256: 94152c8b8d4a8dde3a527f09d9d3452adda02b7a301c272d097686d73d2d638c
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.tw/app/431946152/i-got-hacked-on-roblox-game-hack In PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-hack-roblox-accounts-november-2021_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-get-free-roblox-on-ios_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/roblox-cheats-to-get-into-robux-game_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/avatar-roblox-skin-free_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/easy-boy-fat-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/how-to-create-good-skin-free-in-roblox_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/roblox-prison-lifev20-cheats_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/type-roblox-hack-init_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/coin-master-free-shield_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/dashing-simulator-roblox-hack-tutorial_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/master-coin-hack-mod_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/minecraft-windows-10-edition-unlock-full-game-free_GM479516143.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/hack-coin-master-android-2021_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-roblox-toys_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/is-there-an-actual-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/free-25-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/what-is-pubg-uc_GM1330123889.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/coin-master-hack-without-verify_GM406889139.pdfIn PDF document text
    • https://slims.bakrie.ac.id/textbook/repository/apps-for-free-robux_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_off00002b5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5C 23076 bytes
SHA-256: 4a0bfe6e475cecafbdc6b43a9bad6edc8e17e9000d08814b7af56254f4121be8
font_01_sfnt_off00005e71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E71 18936 bytes
SHA-256: 112e2aac86dc5882cba9c563e06e02dca1195725cb6dbf6190617fb595086b1d

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