MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, including a known malicious redirector at http://netcdn.co/app/431946152/hack-roblox.co-youtube-game-hack. The document body and extracted URLs suggest a lure related to game hacks and free in-game currency, a common tactic for distributing malware or conducting phishing. The presence of a malicious redirector and a large number of external links strongly indicates a malicious intent to lead users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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/hack-roblox.co-youtube-game-hack In PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/free-roblox-freeze-tag-games_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-to-get-free-robux-from-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/btools-roblox-hack-2021_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/coin-master-hacks-no-human-verification_GM406889139.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/websites-for-robux_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-much-tiktok-free-account_GM835599320.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/roblox-ninja-legends-hacks_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/hack-roblox-pour-rcupe-nos-compte_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/free-roblox-download-on-xbox-one_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/hack-mining-simulator-roblox_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/how-to-hack-roblox-account-on-mobile-2021_GM431946152.pdfIn PDF document text
- http://www.nguyentraiedu.vn/cms/public/upload/files/pop-slots-free-vegas-casino-slots-machine-game-coin-master_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 |
|---|---|---|---|
font_00_sfnt_off00002e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2E8B | 21784 bytes |
SHA-256: f127ce8d2721f40c9c5dfdb68f80ef6dfa9876e9055e3589233c25753f272d8c |
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font_01_sfnt_off00005e8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E8D | 19128 bytes |
SHA-256: 9fc2a24456f41d97249608e6824271909e02987735a8de1443a71cdd9ba1992b |
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