MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains multiple links to a redirector hosted at http://netcdn.tw/app/406889139/coin-master-daily-free-spins-link-app-game-hack, which is flagged as malicious. The document body text and embedded URLs suggest a lure related to free game currency or hacks, a common social engineering tactic. While no scripts were explicitly extracted, the PDF structure and malicious links indicate an attempt to redirect the user to a malicious site, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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/406889139/coin-master-daily-free-spins-link-app-game-hack In PDF document text
- https://xhse.vn/public/upload/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://xhse.vn/public/upload/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://xhse.vn/public/upload/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://xhse.vn/public/upload/files/free-robux-hack_GM431946152.pdfIn PDF document text
- https://xhse.vn/public/upload/files/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://xhse.vn/public/upload/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://xhse.vn/public/upload/files/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
- https://xhse.vn/public/upload/files/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
- https://xhse.vn/public/upload/files/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://xhse.vn/public/upload/files/haktuts-coin-master-free-spins_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 |
|---|---|---|---|
stream_002_off00002deb.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2DEB | 23292 bytes |
SHA-256: 30fbb9043d01af4a03c62f8c3b9e4c566b567d6003714732cd335fc2de664ee9 |
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font_01_sfnt_off0000620d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x620D | 18476 bytes |
SHA-256: 8af254e049fcccc1442405a550d0e3ce0b782d3872c3c9d4c1baf9e82e1cff79 |
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