PDF malware analysis — malicious · ebc106c298783918

MALICIOUS

PDF

45.2 KB Created: 2021-05-16 20:27:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: aabe6b142c0359d70bfa2c63667126d7 SHA-1: 29f7ea505a74a2d0e9edb9b3c84d6181f2f57ed7 SHA-256: ebc106c298783918547b214151fdc41ff643604cf266c473736000d7118a8fe7

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document displays a fake CAPTCHA or human verification prompt, a common lure for users seeking game cheats or hacks. It contains embedded URLs pointing to external sites that likely host malicious content or further phishing attempts. The ML classifier also flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9621

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/406889139/coin-master-online-hack-no-human-verification-game-hack
- http://gruporamos.do/images/coin-master-daily-free-spin-and-coin_GM406889139.pdf
- http://gruporamos.do/images/coin-master-hack-mod-apk-unlimited-spin-download_GM406889139.pdf
- http://gruporamos.do/images/wurst_GM479516143.pdf
- http://gruporamos.do/images/robloxheroxyz-free-robux_GM431946152.pdf
- http://gruporamos.do/images/free-robux-no-verification-2021_GM431946152.pdf
- http://gruporamos.do/images/roblox-robux-generator-no-human-verification_GM431946152.pdf
- http://gruporamos.do/images/spin-and-coin_GM406889139.pdf
- http://gruporamos.do/images/how-to-play-minecraft-online-for-free_GM479516143.pdf
- http://gruporamos.do/images/is-it-possible-to-get-free-robux_GM431946152.pdf
- http://gruporamos.do/images/free-robux-com-roblox_GM431946152.pdf
- http://gruporamos.do/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdf
- http://gruporamos.do/images/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
- http://gruporamos.do/images/how-to-buy-robux-for-free_GM431946152.pdf
- http://gruporamos.do/images/coin-master-free-spins-link-today-blogspot_GM406889139.pdf
- http://gruporamos.do/images/minecraft-pe-apk_GM479516143.pdf
- http://gruporamos.do/images/coin-master-unlimited-spins_GM406889139.pdf
- http://gruporamos.do/images/coin-master-invite-friends-free-spins_GM406889139.pdf
- http://gruporamos.do/images/free-coin-master-spins-for-today_GM406889139.pdf
- http://gruporamos.do/images/minecraft-that-you-can-play-for-free_GM479516143.pdf
- http://gruporamos.do/images/coin-master-email-free-spins_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004bca.bin` `ca668e152faa2367f93c3c2a0227d0c0ed4ed82f71d4991df644311022e945af`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BCA	24744 bytes
`font_01_sfnt_off00008343.bin` `134a3b787304aed0b6b676c1c78e20bf5ecb3967929c4b7a7c4fe4be2e6ca943`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8343	18324 bytes
`font_02_sfnt_off0000a557.bin` `e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA557	3264 bytes

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