MALICIOUS
170
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document employs a lure related to 'Roblox Promo Codes For Free Robux' and displays a fake CAPTCHA to trick users into interacting with malicious links. It contains a critical heuristic firing for a malicious redirector, pointing to the URL https://netcdn.xyz/app/431946152/roblox-promo-codes-for-free-robux-game-hack. This URL is likely used to deliver a second-stage payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier clean score 0.0334
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/431946152/roblox-promo-codes-for-free-robux-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_off0000364c.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x364C | 25384 bytes |
SHA-256: e4e8c73a9bae39ef6fd35bf64437b4aaa25e6494eba04f3c8968404ac5c25db5 |
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font_01_sfnt_off00007157.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7157 | 18676 bytes |
SHA-256: 3ed324e585500d41944ebd93500991c566830021fec9c5a8323b790459c3443f |
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