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 known malicious redirector, masquerading as a generator for game currency. The ML classifier also flagged this PDF with high confidence. The embedded URLs and the lure text suggest a phishing or scam attempt, likely leading to further malicious content 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-free-spins-and-coins-2021-game-hack In PDF document text
- https://www.tiancom.com.tw/upload/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-script_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/minecraft-free_GM479516143.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/free-robux-no-offers_GM431946152.pdfIn PDF document text
- https://www.tiancom.com.tw/upload/files/minecraft-hacked-client_GM479516143.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_off00002e96.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x2E96 | 22620 bytes |
SHA-256: 22059cace5e3014aad1957c75996741251c0fdce6a4effd3cc765f5f981c2a61 |
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font_01_sfnt_off00006126.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6126 | 18460 bytes |
SHA-256: c259e1f543e24e5bfe6ce8cf601a342cc00786119f62dbfadbed712250492c46 |
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