MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to known malicious redirectors and lures users with the promise of game hacks. The document body, though heavily obfuscated, contains references to a 'free generator / game hack' and a URL that aligns with the heuristic findings. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9836
Heuristics 4
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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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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/free-roblox-new-hood-game-hack In PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/roblox-noclip-no-cheat-engine.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/uirbx-club-free-robux.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/hack-roblox-reddit.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/roblox-walk-through-walls-cheat-engine-jailbreak.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/are-free-robux-streams-legit.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/easiest-way-to-upload-audio-on-roblox-for-free-2021.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/roblox-scp-foundation-model-free.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/roblox-free-purple-hat.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/roblox-shirt-template-free.pdfIn PDF document text
- https://www.bolsoshf.com/ckfinder/userfiles/files/how-to-hack-roblox-catalog.pdfIn PDF document text
- https://freerobux.cyouIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00003e8d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x3E8D | 25464 bytes |
SHA-256: 49ea9538fdfde418e28c40e2d5de1088a7b863ab60b763830de7feabf21d019e |
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font_01_sfnt_off0000795c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x795C | 3936 bytes |
SHA-256: 56f91d12f1fd26ee93de517f09e63ae86dd2fe155f74f5627c9f6637d22945ea |
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font_02_sfnt_off00008647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8647 | 18284 bytes |
SHA-256: a9a155d6883a7b53cd1e38560f8e92acc189d2d379badb38ce2fdb6d9c05b5c2 |
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