MALICIOUS
82
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF that displays a fake CAPTCHA or human verification prompt, a common social engineering tactic to trick users into interacting with malicious content. It also contains an embedded URI pointing to a suspicious URL, likely intended for downloading a secondary payload. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9228
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.xyz/app/431946152/roblox-toy-codes-free-game-hack
- https://www.similar.com.tw/upload/files/how-to-earn-free-spins-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/how-to-get-free-robux-without-paying_GM431946152.pdf
- https://www.similar.com.tw/upload/files/roblox-free-robux-hack_GM431946152.pdf
- https://www.similar.com.tw/upload/files/coin-master-free-spins-1701-20_GM406889139.pdf
- https://www.similar.com.tw/upload/files/how-to-get-free-robux-2021_GM431946152.pdf
- https://www.similar.com.tw/upload/files/coin-master-free-spins-cheat_GM406889139.pdf
- https://www.similar.com.tw/upload/files/doctor-louie-roblox_GM431946152.pdf
- https://www.similar.com.tw/upload/files/free-spins-for-coin-masters_GM406889139.pdf
- https://www.similar.com.tw/upload/files/sites-to-get-free-robux_GM431946152.pdf
- https://www.similar.com.tw/upload/files/coin-master-hack-facebook_GM406889139.pdf
- https://www.similar.com.tw/upload/files/cheats-to-get-free-spins-on-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/free-spin-gratis-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/free-roblox-hack-us_GM431946152.pdf
- https://www.similar.com.tw/upload/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdf
- https://www.similar.com.tw/upload/files/earn-free-spins-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/hack-game-plus-com-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/free-rewards-coin-master_GM406889139.pdf
- https://www.similar.com.tw/upload/files/robux-hack-tools_GM431946152.pdf
- https://www.similar.com.tw/upload/files/withdraw-robux_GM431946152.pdf
- https://www.similar.com.tw/upload/files/free-coins-for-coin-master_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_off000048e1.bina1f66575c6d09b60b768727be5581520e444f094ef4fca151b3f88571afac9a7 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x48E1 | 32616 bytes |
font_01_sfnt_off0000926f.bineb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x926F | 2940 bytes |
font_02_sfnt_off00009c7e.bin3d5b3d92e216065c2c845e8efa57a9453f648cbb701c9c0f5d074002979813ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C7E | 18300 bytes |
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