Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0ee48fa8584e477…

MALICIOUS

PDF

46.2 KB Created: 2021-06-03 19:33:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f8ac4cfb5cba903652f66f0d6b8ccf85 SHA-1: 603e6d01755a96cdc7c2db0366b6e636f8193306 SHA-256: c0ee48fa8584e477bfac5ed1c4d24fcfdee286e1e44e013007a8683681f6a8df
82 Risk Score

Malware Insights

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

The document presents a fake CAPTCHA or human verification prompt to trick the user into interacting with a malicious link. This is a common social engineering tactic to encourage users to download further malware. The embedded URL points to a resource that likely hosts the next stage of the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.online/app/431946152/free-roblox-items-codes-game-hack
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-hack_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/robux-hack-free-robux_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-spins-coin-master-haktuts_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-no-scam_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-to-get-free-robux-2021_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-spins-link-whatsapp-group_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/moon-static-coin-master-generator-hacks-free_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-youtube_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-without-human-verification_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/robux-generator-no-human-verification_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/roblox-arsenal-hack-script-pastebin_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-codes_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-quiz_GM431946152.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/is-minecraft-free-on-pc_GM479516143.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/get-free-spins-coin-master_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/minecraft-pocket-edition-mods-for-free_GM479516143.pdf
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-games-like-minecraft_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000056ed.bin
e2d880085a4e886fda3678e68eacdbade1bea33afb891e8c077a5178817ae863		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56ED 25788 bytes
font_01_sfnt_off0000916f.bin
a786bb88295a34ca0ac9a79761dd880393dcc2e09aa06f519a27bbb6293d4ee4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x916F 18488 bytes

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