MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links to external websites, many of which are SEO-optimized PDFs related to game hacks and free currency. The document body and heuristics indicate a lure using a fake CAPTCHA or human verification prompt to trick users into clicking these malicious links. The primary URL associated with the lure is https://netcdn.online/app/431946152/free-robux-not-a-scam-game-hack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9796
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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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 https://netcdn.online/app/431946152/free-robux-not-a-scam-game-hack PDF link annotation
- http://librarysenior.com//repository/daily-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://librarysenior.com/repository/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/free-800-robux_GM431946152.pdfIn PDF document text
- http://librarysenior.com/repository/today-coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- http://librarysenior.com//repository/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdfIn PDF document text
- http://librarysenior.com/repository/how-to-get-free-spins-in-coin-master-2021_GM406889139.pdfIn PDF document text
- http://librarysenior.com/repository/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/pokemon-go-free-promo-codes-march-2021_GM1094591345.pdfIn PDF document text
- http://librarysenior.com/repository/coin-master-hack-pro_GM406889139.pdfIn PDF document text
- http://librarysenior.com/repository/tiktok-free-jeton_GM835599320.pdfIn PDF document text
- http://librarysenior.com/repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/how-to-earn-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
- http://librarysenior.com/repository/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://librarysenior.com//repository/how-to-get-free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
- http://librarysenior.com//repository/coin-master-apk-hack-358_GM406889139.pdfIn PDF document text
- http://librarysenior.com/repository/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
- http://librarysenior.com/repository/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00004f73.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4F73 | 25632 bytes |
SHA-256: 7dfd1cadfcbf108384e117e7f15d9d36636c0d38df9acd83dfdeb6ccfcaf4659 |
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font_01_sfnt_off00008ad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AD3 | 5596 bytes |
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5 |
|||
font_02_sfnt_off0000977a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977A | 18608 bytes |
SHA-256: 99f87fd07008d852f5f659b56544f95afedf5ace2cc64bf1a6de85fca727b1b9 |
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