MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains numerous links to external sites, many of which are SEO-optimized PDFs offering "hacks" or "free items" for games like Coin Master and Roblox. The primary URL, http://netcdn.co/app/406889139/coin-master-hack-version-2021-download-game-hack, suggests a download lure. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used to distribute malware or lead users to malicious sites.
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/coin-master-hack-version-2021-download-game-hack In PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/minecraft-svg-images-free_GM479516143.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-hack-online-android_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-roblox-obbys-on-roblox_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/good-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-link-daily-get-free-spins-amp_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/best-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-to-get-more-followers-on-tiktok-free_GM835599320.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/legit-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-spins-coin-master-2021-no-verification_GM406889139.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_off00002f2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2F2C | 21860 bytes |
SHA-256: 4371a0caf58fd00846a220c6da15442ee8d74a3b9c8751606d310c03090094d0 |
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font_01_sfnt_off00005f17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F17 | 19120 bytes |
SHA-256: 57291a1557c3b3cfaf2211bc97aa7d4df3f086592edbbb7333689b1754ce491f |
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