Content-Type: multipart/form-data; boundary=pdfboundary

--pdfboundary
Content-Disposition: form-data; name="text"

hello
--pdfboundary
Content-Disposition: form-data; name="document"; filename="test.pdf"
Content-Type: application/pdf
Content-Transfer-Encoding: base64

//6rze8AAQ==
--pdfboundary--
