MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links to external websites, many of which are structured as SEO link farms. These links lead to pages offering "free Robux" or "game hacks", suggesting a phishing or malware distribution scheme. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure reinforces the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9824
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/madcity-free-car-roblox-game-hack
- https://bioscience.kyst.com.tw/image/data/files/free-robux-without-verification_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/coin-master-game-hack-app-download_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/how-to-buy-robux-for-free_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/mcpe-116_GM479516143.pdf
- https://bioscience.kyst.com.tw/image/data/files/coin-master-free-spin-link-app_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/plug-toolbox-for-minecraft-free-ios_GM479516143.pdf
- https://bioscience.kyst.com.tw/image/data/files/how-to-hack-everything-in-roblox_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/cheat-codes-for-coin-master_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/coin-master-free-coins-hack_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/free-hotel-logo-roblox_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/roblox-army-free-robux_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/free-executors-for-roblox_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/blogger-coin-master-free-spins_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/hack-roblox-simulator-de-levantamiento-de-pesas-3_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/free-pet-treats-coin-master_GM406889139.pdf
- https://bioscience.kyst.com.tw/image/data/files/roblox-hack-apk-mod-menu_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/free-robux-without-verification-2021_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/how-to-get-free-robux-legallz_GM431946152.pdf
- https://bioscience.kyst.com.tw/image/data/files/pokemon-go-free-100-iv-map_GM1094591345.pdf
- https://bioscience.kyst.com.tw/image/data/files/robux-hack-me_GM431946152.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_off000029cc.bina03299a63a2494223b39acdeb0bcc186420a5d53b7f7b35022d763b887d68cd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x29CC | 21336 bytes |
font_01_sfnt_off00005873.bina861eabbe14eaa0a4083dd76a0e0ce4205bac1a005eb46892c7557954a76916a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5873 | 19424 bytes |
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