Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b6017f9f47ac4eb…

MALICIOUS

PDF

46.3 KB Created: 2021-06-03 08:17:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 19b7b762195670b7853b91ea345c1e59 SHA-1: e122caf2764154a56e762a32f699b915cbbae5fb SHA-256: 2b6017f9f47ac4eb50eeec35ed3e0514884fb02e256dfd604b42983026b21046
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9748

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/406889139/coin-master-free-foxy-food-game-hack In PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/500-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-coins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/minecraft-free-download_GM479516143.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/coin-master-official-page_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/hacks-roblox_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/how-to-change-roblox-name-for-free_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/microsoft-rewards-robux_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/sites-for-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/coin-master-free-spins-16-04-19_GM406889139.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://jpschoolnewdelhi.com/uploaded_files/userfiles/files/free-gifts-coin-master_GM406889139.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_off00004f14.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F14 24800 bytes
SHA-256: 765848620aa67da94c0323a0d689f441cdaa6590bb7ddd01eaca20df5ee67560
font_01_sfnt_off0000873b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x873B 18272 bytes
SHA-256: 8ab577f7d11ec357d53ae04dd403853c84d9c5a16931abfa6eafc1dca89914d9
font_02_sfnt_off0000a94e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA94E 3264 bytes
SHA-256: e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088

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