MALICIOUS
188
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF contains embedded JavaScript and links to known malicious redirector infrastructure, specifically advertising a 'free generator' or 'game hack'. The primary URL, https://netcdn.online/app/431946152/instantrobux-game-hack, is flagged as malicious and part of a redirector chain. The embedded JavaScript and the nature of the lure suggest an attempt to exploit the user into downloading a second-stage payload or visiting further malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9890
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.online/app/431946152/instantrobux-game-hack In PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-hack-apk-35-13_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/websites-for-robux_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-game-hunter_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-tiktok-followers-2021_GM835599320.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/how-to-get-a-refund-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/hack-crack-for-coin-master-currency_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-free-daily-rewards_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-hack-mod-apk-download_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-roblox_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/pubg-uc-ykleme-hile_GM1330123889.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/apk-coin-master-hack_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-coin-master-spins-2021_GM406889139.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_004_off00005341.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x5341 | 25436 bytes |
SHA-256: d81ff06f2c7646c142a9f5a3eb6779edfa15b146cdf7cd84a0942dafb231ddf0 |
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font_01_sfnt_off00008e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E3E | 18184 bytes |
SHA-256: 4d77632c85c001e266779ad9698d54220e11b78bd17d8b0f085f3dc4dd17180b |
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