https://pay.hotmart.com/E90873427E?off=qeaav90i&checkoutMode=10

&name=[field id="name"]
&email=[field id="email"]
&phoneac=[field id="telefone"]



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Para UTM, SRC e SCK utilize CAMPO OCULTO e repita o processo:
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&utm_source=[field id="utm_source"]
&utm_medium=[field id="utm_medium"]
&utm_campaign=[field id="utm_campaign"]
&utm_content=[field id="utm_content"]
&utm_term=[field id="utm_term"]
&src=[field id="src"]
&sck=[field id="sck"]

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Como a URL de redirecionamento deve ficar:
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https://pay.hotmart.com/E90873427E?off=qeaav90i&checkoutMode=10&name=[field id="name"]&email=[field id="email"]&phoneac=[field id="telefone"]