MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains multiple links designed to lure users into clicking on a 'free Robux' generator, impersonating Microsoft. The primary link, http://netcdn.co/app/431946152/how-to-get-free-robux-without-human-verification-2021-game-hack, is associated with malicious redirector infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to exploit user interest in online games for malicious purposes, likely leading to credential harvesting or further malware delivery.
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://netcdn.co/app/431946152/how-to-get-free-robux-without-human-verification-2021-game-hack.
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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-get-free-robux-without-human-verification-2021-game-hack In PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-earn_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/hack-coin-master-online_GM406889139.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/how-to-download-minecraft-for-free-on-windows_GM479516143.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/xray-hack_GM479516143.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-reddit_GM406889139.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/can-you-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/roblox-mac-cheat-engine_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://www.hortonstmichaels.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-apk-ios_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_003_off00004a3d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4A3D | 25532 bytes |
SHA-256: ac165af4ebc2b359a5e1690051dfa1614697bfc8d8d8a47af41f76d3a7084dbf |
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font_01_sfnt_off000084cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84CB | 19976 bytes |
SHA-256: f0eb3147d2a8e1858691a92171ecce375a06e8b967ae0adc6ea3457bdd0bac0d |
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