high-contrast-skeuomorphic-clean

No direct, explicit malware (e.g., credential theft/exfiltration, reverse shells) is evident in the provided fragment alone. However, the code performs high-sensitivity dynamic execution by decoding an embedded HTML payload and injecting it via iframe.srcdoc, then supplying base64 media and runtime script URLs to that iframe. Combined with wildcard postMessage, this design materially increases impact if encodedHtml or referenced runtime assets are tampered with. Treat the supply chain trust/integrity of encodedHtml and runtimeFiles as critical, and ensure the iframe is properly sandboxed and postMessage uses a strict, expected origin.