Sayyiduna Safinah (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) forbade travelling to the land of the enemy with the Qur'an, for fear that the enemy might take it (and dishonour it).
Al-Bazzar recorded it; its chain contains Ibrahim bin Umar bin Safinah, who is da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الجهاد / 9310