MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF document contains numerous embedded URLs and a document body that promotes "hacks" and "rewards" for popular games, aiming to trick users into downloading malicious files. The ML classifier and the PDF_SEO_LINK_FARM heuristic strongly indicate malicious intent, likely to distribute malware or lead users to phishing sites. The primary IOCs are the external URLs pointing to potential malware distribution points.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://netcdn.co/app/431946152/hack-de-robux-2021-game-hack
- https://cleansui.com.tw/image/data/files/free-robux-rewards_GM431946152.pdf
- http://cleansui.com.tw/image/data/files/minecraft-client-download_GM479516143.pdf
- http://cleansui.com.tw/image/data/files/how-to-get-free-pet-food-in-coin-master_GM406889139.pdf
- https://cleansui.com.tw/image/data/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdf
- http://cleansui.com.tw/image/data/files/coin-master-free-spins-and-coins-2021_GM406889139.pdf
- https://cleansui.com.tw/image/data/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdf
- https://cleansui.com.tw/image/data/files/coin-master-free-spin-and-coin-links_GM406889139.pdf
- http://cleansui.com.tw/image/data/files/free-robux-pastebin-javascrit_GM431946152.pdf
- http://cleansui.com.tw/image/data/files/free-robux-just-enter-username-and-password_GM431946152.pdf
- https://cleansui.com.tw/image/data/files/free-spins-and-coins-from-coin-master-game_GM406889139.pdf
- https://cleansui.com.tw/image/data/files/coin-master-mod-version-free-download-34-4_GM406889139.pdf
- http://cleansui.com.tw/image/data/files/pokemon-go-free-friend-codes_GM1094591345.pdf
- https://cleansui.com.tw/image/data/files/roblox-robux-hack-no-human-verification-or-survey_GM431946152.pdf
- https://cleansui.com.tw/image/data/files/coin-master-free-spins_GM406889139.pdf
- http://cleansui.com.tw/image/data/files/free-robux-android_GM431946152.pdf
- http://cleansui.com.tw/image/data/files/how-to-make-your-own-roblox-clothes-for-free_GM431946152.pdf
- https://cleansui.com.tw/image/data/files/claim-free-robux-button_GM431946152.pdf
- https://cleansui.com.tw/image/data/files/roblox-phantom-forces-hack-aimbot-redboy_GM431946152.pdf
- http://cleansui.com.tw/image/data/files/free-promo-codes-for-coin-master_GM406889139.pdf
- http://cleansui.com.tw/image/data/files/coin-master-free-spins-only_GM406889139.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_off00002fe6.bin75918758b1944cc0f4e57ac59f2737816e96ea9bfe4637bc580df9d30f9775e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2FE6 | 22344 bytes |
font_01_sfnt_off00006155.bind5fa45169956e991060027ea9854bb18ac799f0f8d2640406a9e00f4f7b09cb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6155 | 19292 bytes |
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