MALICIOUS
240
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains multiple heuristics indicating malicious intent, including a fake CAPTCHA lure and brand impersonation (Microsoft) to trick users into clicking a link. This link, https://netcdn.xyz/app/431946152/roblox-hair-for-free-game-hack, redirects to a "free generator / game hack" site, which is a common lure for credential phishing or malware delivery. No scripts were extracted, but the embedded URLs and visual lures strongly suggest a phishing or social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
Heuristics 6
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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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/431946152/roblox-hair-for-free-game-hack.
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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/431946152/roblox-hair-for-free-game-hack In PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/hack-coin-master-2021_GM406889139.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/is-minecraft-free-on-switch_GM479516143.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/inappropriate-roblox-games_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/robux-converter_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/microsoft-roblox-rewards_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/how-to-get-free-robux-without-downloading-apps-2021_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/hack-game-coin-master_GM406889139.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/roblox-hack-download_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-roblox-injector_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/how-to-get-free-robux-inspect_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-robux-hack-us_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/no-scam-free-robux_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/collect-robux_GM431946152.pdfIn PDF document text
- http://cartoriogoianira.com.br/ckfinder/userfiles/files/free-robux-legit_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 |
|---|---|---|---|
stream_003_off00004991.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4991 | 27140 bytes |
SHA-256: 4d4897ecb8c3fedd3c9fb83c9e78517abdef36a986ef4fa78096db227b5c25bd |
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font_01_sfnt_off000086ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86AB | 18296 bytes |
SHA-256: 071abe11bc505b6fd5896db9ed6c4248165c6521bf389675a89e7515009c04ca |
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