MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links to external websites, many of which are SEO-optimized slugs related to free Robux and game hacks. The heuristic 'SE_FAKE_CAPTCHA' indicates the document likely presents a fake verification prompt to trick users into clicking these malicious links. The ML classifier strongly flagged this PDF as malicious, suggesting it's designed to deliver a second-stage payload or lead to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 5
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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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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/431946152/free-robux-safe-game-hack
- http://yogaschooldecypres.be/images/minecraft-games-free-to-play-online_GM479516143.pdf
- http://yogaschooldecypres.be/images/coin-master-free-spin-link-app_GM406889139.pdf
- http://yogaschooldecypres.be/images/claim-free-robux_GM431946152.pdf
- http://yogaschooldecypres.be/images/minecraft-bedrock-free-download-pc_GM479516143.pdf
- http://yogaschooldecypres.be/images/minecraft-hacked-client-112-2_GM479516143.pdf
- http://yogaschooldecypres.be/images/how-to-get-unlimited-robux-2021_GM431946152.pdf
- http://yogaschooldecypres.be/images/coin-master-hack-apk-download-2021_GM406889139.pdf
- http://yogaschooldecypres.be/images/rbx-free-robux_GM431946152.pdf
- http://yogaschooldecypres.be/images/coin-master-free-spins-link_GM406889139.pdf
- http://yogaschooldecypres.be/images/coin-master-free-spins-link-app-download_GM406889139.pdf
- http://yogaschooldecypres.be/images/hacks-to-get-free-robux_GM431946152.pdf
- http://yogaschooldecypres.be/images/roblox-gift-card-online-free_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-vpn-for-minecraft_GM479516143.pdf
- http://yogaschooldecypres.be/images/coin-master-free-daily-spins-2021_GM406889139.pdf
- http://yogaschooldecypres.be/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-minecraft-servers-to-join_GM479516143.pdf
- http://yogaschooldecypres.be/images/free-robux-earn_GM431946152.pdf
- http://yogaschooldecypres.be/images/free-robux-no-human-verification-no-survey_GM431946152.pdf
- http://yogaschooldecypres.be/images/coin-master-cheat-codes-free_GM406889139.pdf
- http://yogaschooldecypres.be/images/coin-master-hack-no-verification-no-signup_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_off000046b3.bin2501fc42b6e4dd3acf80b70f9361c5d109a4d6974968bf8cdaa43a7328c7e569 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x46B3 | 29428 bytes |
font_01_sfnt_off00008812.bin393a0339ec2761f14ea9b29efa8c9c5fc9788b4979bd41a030a3ecef46023b5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8812 | 18244 bytes |
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