MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a malicious redirector, specifically designed to lure users with promises of game hacks and free currency. The primary malicious URL, http://netcdn.co/app/406889139/how-to-get-free-spins-on-coin-master-game-game-hack, is repeatedly referenced and appears to be the main payload delivery mechanism. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering attack aiming to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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/406889139/how-to-get-free-spins-on-coin-master-game-game-hack In PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-fun-robux_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-apk-mod-coin-master_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-speed-hack-for-all-games_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-spins-coin-master-2021-today_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-meme_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/2021-roblox_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-group-payouts_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-minecraft-account-and-password-generator_GM479516143.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/roblox-free-vip-server_GM431946152.pdfIn PDF document text
- https://www.christchurch-burton.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00003347.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3347 | 22276 bytes |
SHA-256: 4584e94c03c8e1d99c41f1d53c42be6dc96357d34b8b3dbbd514e979e6088e60 |
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font_01_sfnt_off000064b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B9 | 18600 bytes |
SHA-256: b875b2547fdd86b5ddfc4bd9990df968a5fdc089a690d798ffa545ad033f7ff5 |
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