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NFC Relay Attack Campaign 'RelayNFC' Targets Brazilian Users

NFC Relay Attack Campaign 'RelayNFC' Targets Brazilian Users

First seen 26 Nov 2025, 19:33 UTC

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ThreatCluster AI
ThreatCluster March 12, 2026 at 13:27 UTC

Cyble Research and Intelligence Labs have identified a new NFC relay attack campaign named 'RelayNFC' in Brazil. This campaign involves a malicious app distributed through phishing sites that falsely claims to secure payment cards while capturing users' card details for fraudulent transactions. The malware is described as lightweight, evasive, and utilizes a Hermes-compiled payload with a JavaScript engine.

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