MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to appear as free generators or hacks for popular games like Roblox and Coin Master. One critical heuristic identified a link to a known malicious redirector infrastructure at http://netcdn.co/app/431946152/rocash-give-yourself-robux-cheat-game-hack. The document body also contains this URL and other links pointing to PDF files hosted on croydex.com, suggesting a link farm intended to drive traffic to malicious sites. No scripts were extracted, but the overall pattern indicates a phishing or malware distribution lure.
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/rocash-give-yourself-robux-cheat-game-hack In PDF document text
- https://www.croydex.com/uploads/files/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/roblox-underfighters-2-cheat-codes_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/www-roblox-com-free-games-at-roblox-com_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/roblox-hack-october-2021_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/free-robux-hack-no-survey-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/coin-master-hack-tool-v1-9-pc_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/free-online-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/free-roblox-top-battle-games_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/cheat-for-mac-roblox-safe_GM431946152.pdfIn PDF document text
- https://www.croydex.com/uploads/files/files/roblox-e-free_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_off00003424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3424 | 22360 bytes |
SHA-256: b6098555b7591573799dd5b49bb836cfafddc334bec22237851b13806acc8a1f |
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font_01_sfnt_off000065bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65BB | 19292 bytes |
SHA-256: 2a6047ca21453c6c56f5f5ea46feb10341a70a28fe0356a5d9eab936faafd975 |
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