Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ee32271904fd9c3…

MALICIOUS

PDF

34.3 KB Created: 2021-06-26 10:35:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6f9aefd50803ecf5a53f5c5452888ed8 SHA-1: ab222a663371d6850de0cba605e571fda55bd440 SHA-256: 7ee32271904fd9c3069e0ffe84cbc08cb8c1f9d29dc6102b855f68dc9cf1e885
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, a common social engineering tactic to trick users into downloading further malicious content. It also embeds multiple URLs, including one pointing to 'netcdn.co', which are likely used to host or distribute malware related to game cheats. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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 http://netcdn.co/app/431946152/comment-avoir-un-mode-de-cheat-sur-roblox-game-hack
    • http://xenonsvjetla.com/files/coin-master-free-spins_GM406889139.pdf
    • http://xenonsvjetla.com/files/como-hackear-coin-master-2021_GM406889139.pdf
    • http://xenonsvjetla.com/files/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
    • http://xenonsvjetla.com/files/roblox-hack-scripts-pastebin_GM431946152.pdf
    • http://xenonsvjetla.com/files/free-robux-group_GM431946152.pdf
    • http://xenonsvjetla.com/files/free-rare-cards-for-coin-master-christmas_GM406889139.pdf
    • https://www.xenonsvjetla.com/files/blox-fun-info_GM431946152.pdf
    • http://xenonsvjetla.com/files/coin-master-hack-2021-no-human-verification_GM406889139.pdf
    • https://www.xenonsvjetla.com/files/free-spin-hack-coin-master-2021_GM406889139.pdf
    • http://xenonsvjetla.com/files/how-to-get-free-robux-without-verification_GM431946152.pdf
    • https://www.xenonsvjetla.com/files/free-roblox-svg_GM431946152.pdf
    • http://xenonsvjetla.com/files/how-to-get-free-robux-easy-2021_GM431946152.pdf
    • http://xenonsvjetla.com/files/roblox-free-printables_GM431946152.pdf
    • https://www.xenonsvjetla.com/files/free-coin-master-cards_GM406889139.pdf
    • https://www.xenonsvjetla.com/files/wurst-18-9_GM479516143.pdf
    • http://xenonsvjetla.com/files/coin-master-free-spin-app-apk_GM406889139.pdf
    • http://xenonsvjetla.com/files/coin-master-gold-cards-free-link_GM406889139.pdf
    • https://www.xenonsvjetla.com/files/minecraft-hack-download_GM479516143.pdf
    • http://xenonsvjetla.com/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdf
    • https://www.xenonsvjetla.com/files/hacks-for-minecraft-windows-10_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ee8.bin
ffa4424b737f697dcd00dc305347fc1e2b7b30f704fff5cb0f7f0eb4da2dead9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE8 21652 bytes
font_01_sfnt_off00005e7a.bin
7aca9b95c9c2ff575c0a724e7182d87cd7fccd3d1ca77c23582f28b8bc86b1f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7A 19928 bytes

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