Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2532f754f65a15…

MALICIOUS

PDF

35.4 KB Created: 2021-06-28 22:21:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: d9e9123554482014d4384042284077a9 SHA-1: d5bedf41fefa3b7a700cbd202939c6d5297b0a34 SHA-256: af2532f754f65a15d5ed7fb4dbb9718b5c6efc20fe216b25018ec2b4a6102996
100 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/roblox-laser-tanks-2.0-hack-game-hack In PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/homestore-free-roblox_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/cheat-lib-roblox_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/roblox-x10-xp-bleach-soul-of-end-v175-hack_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/how-to-get-gamepasses-for-free-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/como-hacer-que-cheat-engine-funcione-en-roblox-2021_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/roblox-build-a-boat-for-treasure-hack-download_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/robux-cheat-codes-ios_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/btools-script-roblox-hack_GM431946152.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/coin-master-hack-reddit_GM406889139.pdfIn PDF document text
    • http://nsktu.ac.in/ckfinder/userfiles/files/free-coin-master-spin-app_GM406889139.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_off000032df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32DF 22520 bytes
SHA-256: 578efb8bde58f61966979a20c97805de2eca39c3b19ebb9d17d4779b76533e90
font_01_sfnt_off00006544.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6544 19016 bytes
SHA-256: ca4cf6962a6ea10add9ef0e68e9da83d8955b8ab79b8b6efa162e3e25440f762

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