MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links that redirect to malicious infrastructure, specifically promoting 'free generators' and 'game hacks' for popular games. The primary redirector URL is http://netcdn.tw/app/406889139/http-appsmob-info-coin-master-hack-game-hack, which is associated with a lure for game hacks. Additionally, a large number of links point to PDF files hosted on library.poltekkes-palangkaraya.ac.id, likely part of an SEO link farm designed to improve search engine ranking for malicious content. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or scam 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.tw/app/406889139/http-appsmob-info-coin-master-hack-game-hack In PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/how-to-hack-to-get-robux-for-free-roblox-2021_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/hack-nuevo-para-roblox-2021-editar-servidor_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/how-to-hack-in-roblox-assassin-2021-febuary_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/how-to-be-rich-in-roblox-free_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-gold-suit-roblox_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-roebucks-no-human-verification_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/what-app-do-you-use-to-get-robux-for-free_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-hack-script-download_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-piano-hack_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/free-roblox-shirt-assets_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id//repository/coin-master-gift-link-hack_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/coin-master-game-hack-online_GM406889139.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-hacks-veiculos-simulator_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/roblox-roblox-games-for-free_GM431946152.pdfIn PDF document text
- http://library.poltekkes-palangkaraya.ac.id/repository/robux-hack-generator-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 |
|---|---|---|---|
stream_002_off0000328c.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x328C | 23228 bytes |
SHA-256: d8dd77a73b13856aac25ddebb1f3e0591555caeb9a902867d00e3071e2ac3a63 |
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font_01_sfnt_off000066d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D7 | 18600 bytes |
SHA-256: a4ef4840d49e767f522fe62d569c023cf90c73cf43765e13b0ba0217dd54045f |
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