MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains invisible links and a download button lure, directing users to a URL associated with 'free Robux' and 'game hacks'. This pattern is commonly used to trick users into completing CAPTCHAs or downloading further malware. The ML classifier strongly flagged this PDF as malicious, supporting the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 4
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PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LUREPDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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Invisible PDF links to CAPTCHA-themed web lure high PDF_CAPTCHA_LINK_LUREPDF contains invisible clickable link annotations that point to a CAPTCHA/capcha-themed web path. This is a common phishing and ClickFix-style routing pattern: the PDF itself is inert, while the linked page performs the credential prompt or fake verification.
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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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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 http://netcdn.co/app/431946152/free-robux-captcha-game-hack In PDF document text
- https://loba.com.vn/public/upload/files/how-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/new-roblox-swordburst-2-hack_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spin-link_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-admin-hack-cheat-engine_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/claim-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/rbx-website_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-roblox-place-downloads_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-mod-apk-2021_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-coin-master-game_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-know-if-you-are-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00002e65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2E65 | 22912 bytes |
SHA-256: 1c2a2a806cae27aa1903a467bef0d664928dcc8fd8e6a59a7296e107a3eb889e |
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font_01_sfnt_off00006200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6200 | 18976 bytes |
SHA-256: 9f94915a6bcb30a2dbdecad80fb028843521d155fe549a86c162283cd5c2b924 |
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