MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a fake CAPTCHA lure and a large number of external links, indicating a phishing or scam attempt. The primary URL, https://netcdn.xyz/app/431946152/hack-robux-game-hack, is likely a landing page for a malicious download or exploit. The presence of numerous PDF links suggests a link farm designed to distribute further malicious content or scams.
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/hack-robux-game-hack
- http://calavera.be/images/free-robux-com-roblox_GM431946152.pdf
- http://calavera.be/images/roblox-login-hack_GM431946152.pdf
- http://calavera.be/images/free-coin-master-spins-and-coins-for-daily_GM406889139.pdf
- http://calavera.be/images/coin-master-heaven-free-spins-today_GM406889139.pdf
- http://calavera.be/images/free-coins-on-coin-master-generator_GM406889139.pdf
- http://calavera.be/images/daily-coin-master-free-link_GM406889139.pdf
- http://calavera.be/images/best-free-spin-app-for-coin-master_GM406889139.pdf
- http://calavera.be/images/coin-master-hack-to-get-free-spins_GM406889139.pdf
- http://calavera.be/images/coin-master-free-spins-hack-download_GM406889139.pdf
- http://calavera.be/images/minecraft-windows-10-code-free_GM479516143.pdf
- http://calavera.be/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdf
- http://calavera.be/images/coin-master-daily-free-spins_GM406889139.pdf
- http://calavera.be/images/coin-master-free-download_GM406889139.pdf
- http://calavera.be/images/coin-master-home_GM406889139.pdf
- http://calavera.be/images/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf
- http://calavera.be/images/coin-master-hack-no-verification-no-signup_GM406889139.pdf
- http://calavera.be/images/get-free-robux-info_GM431946152.pdf
- http://calavera.be/images/coinmasterdailyfreespins-com_GM406889139.pdf
- http://calavera.be/images/minecraft-realms-free-codes_GM479516143.pdf
- http://calavera.be/images/codes-how-to-get-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_off00004708.bin998b682ce866dfb29ea61a2f1da40cc1394c2f75d6754e1eb9f8c1fbd2e68eda |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4708 | 26152 bytes |
font_01_sfnt_off00008326.bin9805bb7d0eadd4beaac6fd3b5d5d8b6e8e5d33c97ce909732e364f826719e5d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8326 | 18248 bytes |
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