This text was published by, or on behalf of, a "designated terror organization" subject to U.S. sanctions under the International Emergency Economic Powers Act (IEEPA, 50 U.S.C. Chapter 35). As such, any corresponding copyright is "blocked property" in the United States.
The text is used on English-language Wikisource (hosted on servers in the United States by the non-profit Wikimedia Foundation) as "information or an informational material" under the the provisions of 50 U.S.C. § 1702(b)(3).
Note: If the organization responsible for this particular text is ever removed from the list of IEEPA-sanctions then its suitability for Wikisource will have to be re-examined and it may face deletion.