MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains multiple links, including one to a known malicious redirector infrastructure at http://netcdn.tw/app/431946152/free-100-robux-game-hack. This lure, combined with the 'Free 100 Robux' text, suggests a phishing or scam attempt. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the embedded links and lure indicate a high likelihood of a malicious redirection chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://netcdn.tw/app/431946152/free-100-robux-game-hack In PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/coin-master-hack_GM406889139.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/is-minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey_GM835599320.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- https://lms.mabbaca.com/__statics/gudangsoal/files/free-robux-gift-card_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_off00002d89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2D89 | 22560 bytes |
SHA-256: 775f64c05151a160f406663ba485eabec0a7a6fd7abca0b1080f36871527656f |
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font_01_sfnt_off0000603a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x603A | 18480 bytes |
SHA-256: 2e8babd173c71692d2fd24d125b7c6b3ae0e638c4d6eb59ea11203273ffa3d43 |
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