MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links designed to redirect users to external websites, masquerading as game hacks or generators. One primary URL, https://netcdn.online/app/406889139/hack-coin-master-apk-358-game-hack, is identified as a malicious redirector. The document also includes a large number of links to other PDFs hosted on jcn.co.uk, suggesting a link farm or SEO manipulation tactic to drive traffic to potentially malicious content. No scripts were extracted, but the presence of numerous embedded URLs and the malicious redirector strongly indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9607
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 https://netcdn.online/app/406889139/hack-coin-master-apk-358-game-hack In PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/pop-slots-free-vegas-casino-slots-machine-game-coin-master_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/roblox-website-robux_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/can-u-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-latest-mod-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/robux-com-free-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00005375.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5375 | 28332 bytes |
SHA-256: 5c0bdc50b230b31536d930194ca708abccbdddeb740ac7a22c49ef4552d29e19 |
|||
font_01_sfnt_off00009535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9535 | 3088 bytes |
SHA-256: e7854aff7cbc8fbdeb85d2b3d6248d12dc820ede8a581f4eac107fa6446c2222 |
|||
font_02_sfnt_off0000a000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA000 | 7960 bytes |
SHA-256: cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2 |
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font_03_sfnt_off0000b325.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB325 | 18412 bytes |
SHA-256: f30d0badfab6420563466c0c6553bfc950ffecb1242f46a0268be9c680196b1e |
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font_04_sfnt_off0000d5b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5B5 | 4272 bytes |
SHA-256: fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0 |
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