MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, specifically advertising a "Coin Master Club Hack". The embedded URL leads to known malicious infrastructure. While no scripts were extracted, the PDF structure and heuristics strongly suggest a social engineering lure to drive users to a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.8531
Heuristics 4
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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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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.xyz/app/406889139/coin-master-club-hack-game-hack In PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/minecraft-jar-free_GM479516143.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-android_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/how-many-free-spin-links-is-there-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-daily-rewards_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-coins-and-spins-group_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/free-role-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-version-ios_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/free-spin-sites-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.charnwood.staffs.sch.uk/admin/ckfinder/userfiles/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.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_003_off00004dae.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4DAE | 25876 bytes |
SHA-256: 0f571f35522a7a9340db9dcdd3bd884792960b5892dbe932df57381cbcd93b9b |
|||
font_01_sfnt_off00008a1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A1C | 3132 bytes |
SHA-256: 3f30d72a1710572cda90fe721a58169ba707e51b1e1e4a34baefa7af7a35c7c2 |
|||
font_02_sfnt_off00009512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9512 | 7960 bytes |
SHA-256: cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2 |
|||
font_03_sfnt_off0000a838.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA838 | 18088 bytes |
SHA-256: 31499fb402872569a1906597877e8e0710c4d20c86bc1fc6962fc68df46ab383 |
|||
font_04_sfnt_off0000c9a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9A7 | 4272 bytes |
SHA-256: fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0 |
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