MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded links to external websites, many of which appear to be part of a link farm designed to attract traffic. The primary URL, 'https://netcdn.online/app/431946152/freerubux-game-hack', suggests a lure related to game hacks or in-game currency. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, reinforcing the idea of a traffic-driving or potentially malicious redirection scheme. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classification strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
Heuristics 4
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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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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.online/app/431946152/freerubux-game-hack
- https://cuc.ac.cr/userfiles/files/free-coin-and-spin-in-coin-master_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/how-to-get-roblox-money_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/free-coinmaster-spins_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/free-coin-master-coins_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/blogspot-coin-master-free-spins_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/how-can-i-get-free-robux_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/will-minecraft-ever-be-free_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/todays-free-spin-and-coin-links_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/roblox-free-hats_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/easy-coin-master-hack_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-hack-free-spins_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/minecraft-com-free_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/is-minecraft-free-on-switch_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/how-to-get-free-roebucks-without-verification_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/free-robux-games-that-actually-work-2021_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/is-minecraft-free_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/minecraft-font-free_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/roblox-games-to-play-for-free_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/earn-robux-today_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005298.bine95d9bccdfee23cadc490a3db72f4a5edd08827ceb0e84e465f5412506378d2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5298 | 26356 bytes |
font_01_sfnt_off00008ecc.bin4889dc98a6bfd3c9244583f92387be58625a91e7a969778ad35ada89b27ed636 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8ECC | 3084 bytes |
font_02_sfnt_off00009972.binf4416bbc5f287efcbe31c7b4c704cc92a0ced0ddcdd2f5cfb5fb7d41fdf7fc1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9972 | 17872 bytes |
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