MALICIOUS
168
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains lures related to 'free Robux' and a call-to-action to download, directing users to external URLs. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it being a malicious document. The embedded URLs suggest the document is part of a phishing or scam campaign aiming to trick users into downloading malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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 http://netcdn.co/app/431946152/how-to-hack-free-robux-2021-game-hack In PDF document text
- https://vosco.vn/uploads/vosco.vn/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-valkyrie-free_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-robux-no-apps_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-gift-card-hack-100-working-free-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/blox-fish-free-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/ispoofer-pokemon-go-free-key_GM1094591345.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-32-mod-hack-apk-download_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/easy-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/tiktok-free-to-download_GM835599320.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/roblox-help-free-robux_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/free-old-roblox-account-generator-2021_GM431946152.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-hack-no-root_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/coin-master-free-spin-reward-links_GM406889139.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- https://vosco.vn/uploads/vosco.vn/files/rbx-gg-free-robux_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 |
|---|---|---|---|
font_00_sfnt_off00004995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4995 | 26108 bytes |
SHA-256: f82b29ee395dfd56e020fc2103220bd1f08857f3aa2a8589303fe70f7d37f867 |
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font_01_sfnt_off0000855d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x855D | 18976 bytes |
SHA-256: c853360e489ac826e2c3d4f31df8e9f029b534dbfbac8c5f841885e192cc1b5c |
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