MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple links to redirector infrastructure, specifically advertising 'free generators' and 'game hacks' for popular games. The primary redirector URL is http://netcdn.tw/app/431946152/roblox-com-www-game-hack, which is associated with malicious activity. The document body and embedded links suggest a phishing or scam attempt to lure users to malicious sites.
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.tw/app/431946152/roblox-com-www-game-hack In PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-tiktok-followers-and-likes_GM835599320.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-robux-now_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-realistic-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/how-to-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-appsfor-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/cheat-engine-alternative-for-roblox_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-robux-codes-2021-september_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/como-hackear-un-jugador-de-roblox_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/roblox-shirt-are-now-free_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-hair-roblox-not-decal_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/roblox-play-now-for-free_GM431946152.pdfIn PDF document text
- https://thoisuviet.vn/public/ckfinder/userfiles/files/free-coin-spin-daily-link-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_off000032ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x32EC | 22504 bytes |
SHA-256: ce4c2dcd3464009b43aaba3113d314d3a184502a35b61752bc315185199a4143 |
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font_01_sfnt_off00006517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6517 | 19108 bytes |
SHA-256: 13c262cfb7031e1ca070be9c3125d0123a2d05a8500d35be8507854e43fbc492 |
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