MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document exhibits characteristics of a link farm, containing numerous external links to other PDF files, many of which are related to game hacks and cheats. The primary URL, https://netcdn.xyz/app/406889139/coin-mast-hacks-game-hack, likely serves as a landing page for malicious downloads. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, suggesting an attempt to manipulate search engine results or distribute malware through a network of linked documents. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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.xyz/app/406889139/coin-mast-hacks-game-hack
- https://cuc.ac.cr/userfiles/files/free-coin-master-game_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/mcpe-optifine_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-heaven-free-spins-link-2021_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/promo-codes-for-free-robux_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/free-coin-master-spins-hack_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/roblox-rape-hack_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-hack-without-human-verification_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/robux-prices_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/free-spins-and-coins-coin-master-app_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/get-roebucks-com_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-34-4-hack-download_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-get-free-spins_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/haktuts-2021-coin-master-free-spin-link_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/link-for-free-spins-on-coin-master_GM406889139.pdf
- https://cuc.ac.cr/userfiles/files/roblox-booga-booga-hack_GM431946152.pdf
- https://cuc.ac.cr/userfiles/files/coin-master-exchange-40-free-spins_GM406889139.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_off0000473a.bin439120fe6cabfc41fb25216d92f6edebd4bb6ffb51e0c71807f3030695541514 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x473A | 25184 bytes |
font_01_sfnt_off00007fd7.bin777b684355b1eef5a972c4758674727e521bcb83e374608eb379fd1ca070469a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FD7 | 17716 bytes |
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