MALICIOUS
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 users into downloading additional files, likely malicious. It contains multiple embedded URLs pointing to suspicious domains, suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9748
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.tw/app/431946152/free-game-for-roblox-game-hack
- http://juscor.com.br/ckfinder/userfiles/files/roblox-games-that-give-you-free-robux_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/coin-master-free-spins-no-survey_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/coin-master-hack_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/how-to-get-free-robux-with-no-verification_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-coins-coin-master-iphone_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/80-free-spins-coin-master_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/get-free-robux-gg_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-robux-no-verification-required_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/flame-gg-free-robux_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/coin-master-free-spin-and-trading_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/lots-of-robux_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/coin-master-hack-online-pc_GM406889139.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-account-roblox-with-robux_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/how-to-hack-a-roblox-account-easy_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-minecraft-account-list_GM479516143.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-roblox-accounts-generator_GM431946152.pdf
- http://juscor.com.br/ckfinder/userfiles/files/free-minecraft-hacks_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_off00004f8f.bin29fe3315efdc80966d0d0959b0d6d97e48dcb8fbdf55093f1f9f99797450ae1e |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4F8F | 25692 bytes |
font_01_sfnt_off000088a5.bineb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88A5 | 2940 bytes |
font_02_sfnt_off000092b5.bin1bf82dd8afdb27f94ed8c62bb10c3663fee25409811c2bad390d43823afe3328 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92B5 | 18436 bytes |
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