Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8e542e5654b497…

MALICIOUS

PDF

49.5 KB Created: 2021-06-03 04:14:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 10ec7b7d01d58e537a849d35a2e6e2c2 SHA-1: 55d438791e084d65c3aebd16e9bf0e6a06b04f47 SHA-256: 5d8e542e5654b497491b932338309663669295d022c2454f424c759ca3b3eafa
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/431946152/how-to-hack-someones-account-on-roblox-game-hack In PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/coin-master-hack-app-for-iphone_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/coin-master-free-500-spins-link_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-minecraft-pe-server_GM479516143.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/coin-master-coins-free_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-roblox-executor-no-key_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/coin-master-hack-pc-download_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/pubg-uc-lucky-draw_GM1330123889.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
    • https://pasangindihomemagelang.com/ckfinder/userfiles/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005497.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5497 26540 bytes
SHA-256: b6633266b004e467ab58b7a7bf4e2ebaca56cdf491e866f4fb1e14b72b58b4bc
font_01_sfnt_off00009265.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9265 3084 bytes
SHA-256: 4889dc98a6bfd3c9244583f92387be58625a91e7a969778ad35ada89b27ed636
font_02_sfnt_off00009d0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9D0B 18852 bytes
SHA-256: 457d47af0ac9b86ad492a9e8690b4b48cfdfccf15848883353b318db4926e18d

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