MALICIOUS
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 to trick users into downloading additional files. The embedded URLs suggest a lure related to game hacks and free in-game currency, which is a common social engineering tactic. While no scripts were directly extracted, the ML classifier and the presence of external URIs indicate malicious intent, likely leading to the download and execution of further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
Heuristics 4
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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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/406889139/free-spins-on-coin-master-game-hack
- https://ifef.es/ckfinder/userfiles/files/minecraft-survival-free_GM479516143.pdf
- https://ifef.es/ckfinder/userfiles/files/withdraw-robux_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/how-to-buy-robux-for-free_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/roblox-fly-hack_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/free-robux-gift-card-codes_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/pokemon-go-free-lucky-egg_GM1094591345.pdf
- https://ifef.es/ckfinder/userfiles/files/free-custom-minecraft-skins_GM479516143.pdf
- https://ifef.es/ckfinder/userfiles/files/master-coin-hack-app_GM406889139.pdf
- https://ifef.es/ckfinder/userfiles/files/tower-of-hell-roblox-hack_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/minecraft-multiplayer-free_GM479516143.pdf
- https://ifef.es/ckfinder/userfiles/files/best-free-robux-sites_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/rbx-roblox_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/rbx-gg-free-robux_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/how-to-get-free-robux-games_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/infinite-robux_GM431946152.pdf
- https://ifef.es/ckfinder/userfiles/files/daily-free-spin-coin-master-link_GM406889139.pdf
- https://ifef.es/ckfinder/userfiles/files/free-tiktok-like_GM835599320.pdf
- https://ifef.es/ckfinder/userfiles/files/tiktok-free-online-unblocked_GM835599320.pdf
- https://ifef.es/ckfinder/userfiles/files/free-modded-minecraft-server-hosting_GM479516143.pdf
- https://ifef.es/ckfinder/userfiles/files/minecraft-wurst_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00005045.binf4389477fb0f2378ade4d304dfb7e67a324be08bcf58dc910b5401085fc2c554 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5045 | 25412 bytes |
font_01_sfnt_off00008b8d.bin4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8D | 3400 bytes |
font_02_sfnt_off000096b7.binaddbd5428a422ca7211e94293fed3a4f98c85d5f6337328d4d3623e90d90c649 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96B7 | 17884 bytes |
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