MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links, including a primary link to a 'free Robux' generator, which is a common lure for phishing or malware. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract traffic. The 'SE_FAKE_CAPTCHA' heuristic suggests the document may present a fake verification prompt to trick users into further interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9013
Heuristics 6
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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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PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LUREPDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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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-codes-2021-real-game-hack PDF link annotation
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/is-minecraft-vr-free_GM479516143.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/gameoffice-net-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-coin-master-links_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-2021-apk-download_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-fan-club_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/is-there-any-tricks-or-working-hacks-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/roblox-robux-generator-tool_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-robux-gift-card-codes_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-account-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-robux-com-real_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-apk-ios-download_GM406889139.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_off00004c65.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4C65 | 27924 bytes |
SHA-256: 0a19e15c559366eeff86a254ace52882b17dd3aab9232bd104cd629e0d61cf56 |
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font_01_sfnt_off00008c6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C6F | 2984 bytes |
SHA-256: 889cfc2fd0afa9ea114d6666204c6ce0548d0aae2cba345827d317498c4c06bc |
|||
font_02_sfnt_off0000969b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x969B | 18892 bytes |
SHA-256: 79fc292783aafa0d2798f175881928b0c75cb864ff282a378c41953696f75480 |
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