MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a lure for free in-game currency, directing users to a known malicious redirector. The embedded URL, https://netcdn.tw/app/431946152/free-robux-and-builders-club-generator-game-hack, is associated with malicious redirector infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9865
Heuristics 4
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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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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 https://netcdn.tw/app/431946152/free-robux-and-builders-club-generator-game-hack In PDF document text
- http://repository.unla.ac.id/repository/vip-roblox-free_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-robux-hack-no-human-verification-or-download_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/pubg-uc-avatar_GM1330123889.pdfIn PDF document text
- http://repository.unla.ac.id/repository/pubg-uc-carding-quora_GM1330123889.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-roblox-generator_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/coin-master-hack-injection_GM406889139.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-roblox-accounts-with-robux-that-work-not-banned-2021_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/cute-free-hair-on-roblox_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/how-to-get-a-free-private-roblox_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/coin-master-free-spin-now_GM406889139.pdfIn PDF document text
- http://repository.unla.ac.id/repository/roblox-hackprogamers-com_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
- http://repository.unla.ac.id/repository/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://repository.unla.ac.id/repository/free-coin-master-gifts_GM406889139.pdfIn PDF document text
- http://repository.unla.ac.id/repository/coin-master-free-coins-and-spins-daily-summary_GM406889139.pdfIn PDF document text
- http://repository.unla.ac.id/repository/i-want-free-robux_GM431946152.pdfIn PDF document text
- http://repository.unla.ac.id/repository/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.nrzroblox.comIn 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_004_off00004ff2.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4FF2 | 25252 bytes |
SHA-256: 7b146ee862c893b6eaeb8da76b15c5722f88b18ff54cb73b44195872535b6a1f |
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font_01_sfnt_off00008a2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A2B | 18716 bytes |
SHA-256: 1be51bfdd4ab5a538981e7139753a03761614881baf4839bf56c1f9344be942a |
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