MALICIOUS
142
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 to trick users into interacting with embedded links. The document contains a large number of external links, many of which point to PDF files with SEO-like slugs, suggesting a link farm or content-spinning operation. The primary URL, https://netcdn.xyz/app/431946152/can-i-get-free-robux-game-hack, is likely the intended destination for users who fall for the CAPTCHA lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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/can-i-get-free-robux-game-hack
- http://www.gravel.ru/images/free-pet-food-coin-master_GM406889139.pdf
- http://www.gravel.ru/images/free-robux-with-no-survey_GM431946152.pdf
- http://www.gravel.ru/images/how-to-get-free-robux-gift-cards_GM431946152.pdf
- http://www.gravel.ru/images/free-robux-roblox-promo-codes_GM431946152.pdf
- http://www.gravel.ru/images/free-roblox-usernames-and-passwords_GM431946152.pdf
- http://www.gravel.ru/images/earn-roblox_GM431946152.pdf
- http://www.gravel.ru/images/how-to-get-free-robux-generator_GM431946152.pdf
- http://www.gravel.ru/images/easy-way-to-get-robux_GM431946152.pdf
- http://www.gravel.ru/images/free-robux-scam_GM431946152.pdf
- http://www.gravel.ru/images/free-robux-no-generator_GM431946152.pdf
- http://www.gravel.ru/images/coin-master-spins-2021_GM406889139.pdf
- http://www.gravel.ru/images/coin-master-free-stuff_GM406889139.pdf
- http://www.gravel.ru/images/how-to-get-free-robux-website_GM431946152.pdf
- http://www.gravel.ru/images/coin-master-free-spins-link-download-today_GM406889139.pdf
- http://www.gravel.ru/images/free-gold-cards-for-coin-master_GM406889139.pdf
- http://www.gravel.ru/images/roblox-hack-me_GM431946152.pdf
- http://www.gravel.ru/images/coin-master-free-2021-spin-link-today_GM406889139.pdf
- http://www.gravel.ru/images/how-to-get-free-robux-without-verification-2021_GM431946152.pdf
- http://www.gravel.ru/images/free-coins-coin-master-iphone_GM406889139.pdf
- http://www.gravel.ru/images/free-robux-on-iphone_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000498f.bin38fadd02728b5f3fe70bd60d01022528feb4ab89bae00d4e8246b49ae5b25939 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x498F | 26048 bytes |
font_01_sfnt_off00008431.bina3821bea5d8002917ca36036ff520c3c0be187df4be91a81bd8356ddd2b369c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8431 | 18344 bytes |
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