MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a prominent link to 'netcdn.tw', identified as a malicious redirector, which is designed to lure users into clicking for game hacks or generators. This link likely leads to the download of a second-stage payload or a phishing page. The document's structure and embedded links strongly suggest a social engineering tactic to exploit user interest in free in-game currency or cheats.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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/how-to-get-free-robux-without-verification-2021-game-hack In PDF document text
- https://www.efeskbb.com/upload/content/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/free-robux-games_GM431946152.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.efeskbb.com/upload/content/files/free-robux-hack-generator_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_off00002c7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2C7D | 22684 bytes |
SHA-256: f56d3920d33c61d77a022c4652e14828b203ce3d2d45e6ccb82b71307ec865f9 |
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font_01_sfnt_off00005f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F20 | 19716 bytes |
SHA-256: 31d772b234aed95a2750b730f7eac7c290b38569e1ee667b89ac2bbd89a0a9fc |
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