PDF malware analysis — malicious · f223cc33d9b3bb0d

MALICIOUS

PDF

42.5 KB Created: 2021-05-12 21:08:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 98652b194d528b94c5d2989a0f1e008a SHA-1: 7ccfbf472084af0d06acfc1515a2314aff198466 SHA-256: f223cc33d9b3bb0d93471fed880b26632a57440f38b573a81df1dc8b219fc999

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document exhibits characteristics of a malicious lure, employing a fake CAPTCHA or human verification prompt to deceive users. The embedded URL, https://netcdn.xyz/app/406889139/coin-master-spin-hack-no-human-verification-game-hack, likely leads to a second-stage payload. The document's content and heuristics strongly suggest an attempt to trick the user into downloading or executing further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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-spin-hack-no-human-verification-game-hack
- http://homequeen.de/images/coin-master-daily-free-spins-2021_GM406889139.pdf
- http://homequeen.de/images/minecraft-book-collection_GM479516143.pdf
- http://homequeen.de/images/free-mod-apk-coin-master_GM406889139.pdf
- http://homequeen.de/images/how-to-get-free-robux-gift-cards_GM431946152.pdf
- http://homequeen.de/images/coin-master-map_GM406889139.pdf
- http://homequeen.de/images/coin-master-free-coins-and-spins-link_GM406889139.pdf
- http://homequeen.de/images/free-robux-obby-2021_GM431946152.pdf
- http://homequeen.de/images/how-to-hack-roblox_GM431946152.pdf
- http://homequeen.de/images/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdf
- http://homequeen.de/images/free-spins-coin-master-2021-glitch_GM406889139.pdf
- http://homequeen.de/images/free-robux-app-2021_GM431946152.pdf
- http://homequeen.de/images/free-robux-websites-no-human-verification_GM431946152.pdf
- http://homequeen.de/images/coin-master-free-2021_GM406889139.pdf
- http://homequeen.de/images/free-spin-app-for-coin-master_GM406889139.pdf
- http://homequeen.de/images/how-to-get-free-robux-promo-codes_GM431946152.pdf
- http://homequeen.de/images/moon-static-coin-master-generator-hacks-free_GM406889139.pdf
- http://homequeen.de/images/classic-minecraft-net-hacks_GM479516143.pdf
- http://homequeen.de/images/how-to-hack-in-roblox-prison-life_GM431946152.pdf
- http://homequeen.de/images/minecraft-hacks-wurst_GM479516143.pdf
- http://homequeen.de/images/how-to-make-free-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004b9f.bin` `e4516fe7a9958d8f6c0da3f0397b50b3c6a937770711f662dd5205e42298dfb3`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B9F	24416 bytes
`font_01_sfnt_off00008357.bin` `feaa68982acd17c800efc0836f6c7a3b9c97a222263dc84119fc0f3c695ff622`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8357	18428 bytes

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