MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document employs a fake CAPTCHA and download button lure to trick users into clicking a link. The link redirects to malicious infrastructure, likely to download a second-stage payload or exploit a vulnerability. The ML classifier strongly indicates maliciousness, and the document's content and embedded URLs align with common phishing and scam tactics.
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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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 http://netcdn.co/app/431946152/cheat-robux-roblox-2021-game-hack In PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/can-u-get-free-robux_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-roblox-game-card-generator_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/coin-master-promo-code-2021_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/como-hackear-coin-master-ios_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/concole-roblox-hack_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/avatar-roblox-game_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-robux-no-download_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/easy-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/free-escape-obby-for-roblox-game_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/give-me-free-robux_GM431946152.pdfIn PDF document text
- http://church01.jworld.i-powers.com.tw/webdata/ckfinder/public/userfiles/files/rbxcity-free-robux-instant_GM431946152.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_off00003437.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3437 | 21912 bytes |
SHA-256: c4fb8e95d0a1c5dccb8cea8c38a215285b8063703e5871636adacde8ee1deec6 |
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font_01_sfnt_off000064c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64C4 | 19296 bytes |
SHA-256: 42b6b368543f9b4aa75504e21850deb26c808f713cf39a8af6fc567417f12e34 |
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