MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple links, including one pointing to a known malicious redirector, disguised as a game hack generator. The document body and heuristics indicate a lure to download or visit a site offering 'free Robux' or 'game hacks', which is a common social engineering tactic. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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/rbxfree-com-free-robux-game-hack In PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/minecraft-hack-client-download_GM479516143.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/apps-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/can-i-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/get-free-lives-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/robuxian-hack-roblox-animations_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/noob-vs-pro-vs-hacker-vs-god-minecraft_GM479516143.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/coin-master-60-spins_GM406889139.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/minecraft-win-10-free_GM479516143.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/robux-hack-2021-december_GM431946152.pdfIn PDF document text
- https://www.lakenheath.suffolk.sch.uk/admin/ckfinder/userfiles/files/how-to-get-roebucks_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_off000034c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x34C2 | 21840 bytes |
SHA-256: 1dd7ddc56bd699f9eb5fc6e10ef9cb57f4162780895f918fbdff28cebfc0cdbe |
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font_01_sfnt_off000064f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64F0 | 18976 bytes |
SHA-256: 2aa9052e4078dfdf09f927976bfd3cf76f1a678b4d9b3ecd6888c6d9efbc292b |
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