MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are SEO-optimized PDF files, suggesting a link farm or redirection scheme. The presence of a fake CAPTCHA heuristic indicates an attempt to trick the user into interacting with the document, likely to download further malicious content or visit scam pages. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9632
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/406889139/coinmaster-free-cards-game-hack PDF link annotation
- https://thanhdatphatsolar.com/public/upload/files/robux-generator-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/dailyrobux_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-free-spins-that-really_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-robux-websites-no-human-verification_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-arsenal-hacks_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-mod-free-download_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-games-coin-master_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/coin-master-coin-link_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/robux-today_GM431946152.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
- https://thanhdatphatsolar.com/public/upload/files/promo-codes-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00004874.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4874 | 26032 bytes |
SHA-256: 0af3f111ce1f0be6eb2a013a6a16026033f1a7b339adce48e98174d99f3620fd |
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font_01_sfnt_off000082e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E4 | 2820 bytes |
SHA-256: 96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689 |
|||
font_02_sfnt_off00008c85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C85 | 18144 bytes |
SHA-256: 4e9ac2dffccf12dc152d767ce3e4837f7e1c2082475e153b18622bd7e6b7030e |
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