MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple links to known malicious redirectors, specifically advertising 'free Robux' or game hacks. The primary redirector URL is https://netcdn.xyz/app/431946152/rblx-city-free-robux-game-hack, which likely serves as a lure to download further malicious content or lead users to phishing sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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/rblx-city-free-robux-game-hack In PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-classic-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/coin-master-free-spin-and-coins-links-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_002_off000037db.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x37DB | 24288 bytes |
SHA-256: 7f3862c7b041530419ef89a96c48e5f477ddc86997412cb35b42985633805fa7 |
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font_01_sfnt_off00006f18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F18 | 18492 bytes |
SHA-256: 8c36c54b235ee774b4288e3a660071bec0b4f54d4ae0ca28de0be66b92090129 |
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