Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2df5408664a76c…

MALICIOUS

PDF

35.8 KB Created: 2021-06-30 00:02:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 2465be4ece65694b97acd96cd353df7e SHA-1: 9bc8910677aa00fb85400219603e7c6dc0ace7a5 SHA-256: af2df5408664a76c2877388fd6ed580ca8886e5782b48a45289f26a6e0edc7b3
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.co/app/431946152/obby-gives-you-free-200k-robux-game-hack In PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/get-free-robux-in-1-second_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/rewards-roblox-com_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/14-de-diciembre-roblox-hacker_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-coins-and-spins-link-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/best-way-to-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/case-clicker-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-setup-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/wwwroblox-jailbreak-hack_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-robux-no-survey-and-humanvertifcation_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/app-master_GM406889139.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • https://www.badungtourism.com/new/public/ckfinder/userfiles/files/how-to-hack-someones-roblox-account_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
stream_002_off0000318f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x318F 22888 bytes
SHA-256: 870cc7ba4ba48cc67a746ef92f279b9f1faa3baf0be696330daee69a73179d6d
font_01_sfnt_off000064f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64F3 19756 bytes
SHA-256: 4a2378b63fa543291518581b37d9cd3d6f3cece2cb5254ec7c43a11b6098d62f

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