Malicious PDF — malware analysis report

Static analysis result for SHA-256 26740c09d719149c…

MALICIOUS

PDF

45.6 KB Created: 2021-05-16 22:07:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 3f08afa11f03c71983a236439558514a SHA-1: 6f853c8bc4272f610a7c4475879a8aff020e3de2 SHA-256: 26740c09d719149c412afbc5e49e6d01a0d0799a454f99a0d705378f41f80558
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document displays a fake CAPTCHA or human verification prompt, a common lure for phishing or scam sites. It contains multiple embedded URLs pointing to pages offering hacks for popular games like Robux and Coin Master. The primary URL, https://netcdn.xyz/app/431946152/how-to-get-robux-without-human-verification-game-hack, is likely the intended destination for the user to interact with, potentially leading to credential harvesting or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.xyz/app/431946152/how-to-get-robux-without-human-verification-game-hack
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/how-to-get-gold-cards-on-coin-master-hack_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/card-hack-in-coin-master_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-free-coins-spins_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/robux-fun-hack_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-free-spins-2021_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/get-robux_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-levels_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/free-roblox-svg_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/how-to-get-free-skins-in-roblox_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-hack-for-ios_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/minecraft-hack-mod_GM479516143.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/coin-master-hack-mod_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/www-coin-master-hack-tk_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/how-to-get-free-spins-in-coin-master-2021_GM406889139.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/bux-life-free-robux_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/what-is-wurst_GM479516143.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/minecraft-windows-10-hacks_GM479516143.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/javascript-free-robux_GM431946152.pdf
    • http://www.espaciocultivarte.com/ckfinder/userfiles/files/80-free-spins-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004aaa.bin
d80367fbf02be182ce8e0f59804cb78c091406a0957c65f4baad9ea34d512e7b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AAA 29256 bytes
font_01_sfnt_off00008d57.bin
827742436377dbec2faf93c76f10b641fa3172d3ca4fb107ae0768851af7cb2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D57 19224 bytes

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