MALICIOUS
170
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a lure for game cheats and free spins, presenting a fake CAPTCHA to encourage user interaction. It embeds a link to a known malicious redirector, which likely leads to a second-stage payload. The document's authoring application, wkhtmltopdf, is sometimes used to generate malicious PDFs.
Machine Learning
- Nyx PDF Classifier clean score 0.0312
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/cheats-coin-master-free-spins-and-news-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 |
|---|---|---|---|
font_00_sfnt_off0000364f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x364F | 24824 bytes |
SHA-256: 1f7a5d24fbd0dfc3eb4e5c8ec7c5cf6ff8508f905c0f98d2b1b08c49c29a1e81 |
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font_01_sfnt_off00006dec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DEC | 18392 bytes |
SHA-256: 6e3532b57e357ea54aa540dad09cc71b9a89d5bb5520344c7ec5021d108e9267 |
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