Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6baabffa8ee10bd…

MALICIOUS

PDF

36.7 KB Created: 2021-07-02 02:11:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: a5a265464dfda42a0c51f72a39170761 SHA-1: c57479b769080b8661c587281129f4b2e5c97059 SHA-256: d6baabffa8ee10bd61c6fe1fa7e754a5eeae38890e19ac549cf8efd12f5c4863
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and text that mimic game-related content to trick users into downloading further malicious content. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the primary URL leads to known malicious infrastructure, likely serving as a downloader for a second-stage payload. The document body and extracted URLs strongly suggest a phishing attempt related to game cheats and currency.

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/https-web.robloxknife-simulator.com-games-202120218-how-to-get-free-robux-game-hack In PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/roblox-how-to-change-username-for-free_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/roblox-how-to-make-a-private-server-for-free_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/free-robux-obby-no-password-2021-link_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/theme-park-tycoon-2-roblox-hack_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/roblox-login-hack_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/what-is-a-minecraft-client_GM479516143.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/e-free-in-roblox_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/roblox-how-to-get-headless-head-for-free_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/how-to-hack-into-roblox-develpor-tool_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/free-robux-community_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/no-human-verification-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/ss-hub-free-roblox_GM431946152.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/coin-master-online-hack-no-survey-no-password_GM406889139.pdfIn PDF document text
    • https://berkahjayamulia.com/ckfinder/userfiles/files/free-roblox-gift-card-no-human-verification_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_off000035a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35A0 21980 bytes
SHA-256: 61a415ae6bf4c8148185c0999025374e04829f523e17ad5f695cdc81f8797b23
font_01_sfnt_off0000661c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x661C 20528 bytes
SHA-256: 3ccc29252a2e3a12180dce64b7abc7086e6913c99ee8e93bc97a11e201d1f6e4

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