MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous links to external sites, masquerading as generators for free game currency or hacks, and impersonates brands like Facebook. The primary malicious URL identified is http://netcdn.co/app/431946152/free-robux-site-surveys-game-hack, which is likely used to deliver a second-stage payload or conduct credential phishing. The ML classifier strongly flagged this PDF as malicious, supporting the observed lures and link farm behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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PDF links to a 'free generator / game hack' redirector high 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.
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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/free-robux-site-surveys-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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External URI info PDF_URIPDF contains an external URL action
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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/free-robux-site-surveys-game-hack PDF link annotation
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-play-roblox-for-free_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-hack-with-facebook-login_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-get-free-money-in-adopt-me-roblox-2021_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-spin-coin_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-superhero-city-cheats_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/da-hood-hack-tuto-roblox_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-counter-blox-free-skins_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/sites-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/hack-download_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-how-to-get-free-robux-obby_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-on-roblox-robuxian-hack_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-offers_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/hacking-into-a-online-account-roblox_GM431946152.pdfIn PDF document text
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-2021_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_off000031bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x31BF | 22288 bytes |
SHA-256: b0a2c796f2454d525e0755100265db219a80e9267374df20f2c7d37c55319d86 |
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font_01_sfnt_off00006359.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6359 | 19236 bytes |
SHA-256: e25a9b2d113ff898a568959ebf9a2fe30d12ca4056e1e489d0bf87fa9f20f27c |
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