MALICIOUS
170
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link disguised as a "Coin Master New Link Free Spin" generator, which is identified as a lure for a fake CAPTCHA or human verification prompt. This link directs to known malicious redirector infrastructure, indicating an attempt to lead the user to a malicious site. While no scripts were directly extracted, the PDF structure and heuristics suggest an exploit or a malicious link embedded within the document.
Machine Learning
- Nyx PDF Classifier clean score 0.0303
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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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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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-new-link-free-spin-game-hack In 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 |
|---|---|---|---|
stream_003_off00003498.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x3498 | 24640 bytes |
SHA-256: ebe9c76d9f3ca28c3f8d78bfd12f39efb19457883b5691052e5ccd0908ef8fa1 |
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font_01_sfnt_off00006c8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C8E | 18220 bytes |
SHA-256: fc744fe2e52d4688e6c6a84a10cbdbb55ee899ec83e64f0389d2a2ed44f6ae96 |
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