MALICIOUS
102
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains numerous embedded URLs and a document body that promotes 'Free Robux' and 'Coin Master' hacks. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract users with deceptive promises. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users to download applications or visit malicious sites under the guise of obtaining free in-game currency.
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/free-robux-2021-android-game-hack
- https://healthcare.kyst.com.tw/image/data/files/free-robux-app-hack_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/free-robux-without-phone-number_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/free-robux-generator-hack-2021_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/how-to-hack-to-get-infinite-robux-in-roblox_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/how-to-hack-roblox-on-mobile_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/coin-master-hacks-iphone_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/daily-free-spin-link-for-coin-master_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/coin-master-free-spins-1-coin-master_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/how-to-get-free-robux-no-survey_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/conseguir-robux-gratis-sin-hacks_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/coin-master-hack-unlimited-spins-apk-download_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/coin-master-hacks-free-spins_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/free-followers-on-tiktok_GM835599320.pdf
- https://healthcare.kyst.com.tw/image/data/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/free-4l-tiktok_GM835599320.pdf
- https://healthcare.kyst.com.tw/image/data/files/lrgit-free-robux_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdf
- https://healthcare.kyst.com.tw/image/data/files/how-to-earn-free-robux-legally_GM431946152.pdf
- https://healthcare.kyst.com.tw/image/data/files/pubg-uc-free-hack_GM1330123889.pdf
- https://healthcare.kyst.com.tw/image/data/files/free-spin-coin-master-2021-link_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_off00002fc3.bin55f84ff7f79e83cbee03ef41644d5c00bc9451d2f14379fde22dceb8ae75c14e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2FC3 | 22056 bytes |
font_01_sfnt_off00006091.bin7138cd98b12e9cc2154ff7676ac9a39bc8d22c3f1b16a9537d3a83282624220b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6091 | 19412 bytes |
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