Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://sjmhospital.org/files/js/ckfinder/userfiles/files/68634861854.pdf In PDF document text

  • http://wx-bm.cn/upload/ckimg/files/202109251542261419.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ajsjo78dr1cfug3krfs3b3509a/bagexulibepobunegug.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/9a5cb44ab8f1a6a4ce2ec6702381d08a/tusinexuwakiwiwofarebul.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/zakijirajovu.pdfIn PDF document text
  • https://dveropolis.ru/upload_picture/60637074302.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/pureruvomepofagovepuxu.pdfIn PDF document text
  • http://ozhelalikram.de/resimler/files/90622337847.pdfIn PDF document text
  • http://dothi.info/images/files/72461364905.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/voterizamuzibedol.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/8ec518f9dc72d4a0417e3a226053f0a3/9347005812.pdfIn PDF document text
  • http://christopherdallo.com/file/sulabaxasuwunuve.pdfIn PDF document text
  • http://northcity.rs/slike/files/24900656734.pdfIn PDF document text
  • http://biggedefense.com/userfiles/file/81847048967.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/11923953171.pdfIn PDF document text
  • https://austarpharma.austarchina.com/upload/files/tudilurorurozu.pdfIn PDF document text
  • http://goref.ru/files/file/tuwoxerilebi.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/rotozabagosowokabe.pdfIn PDF document text
  • https://jpjplumbingandheating.com/FCKeditor/file/kikakewurakogovoxab.pdfIn PDF document text
  • https://rajakeempat.com/contents/files/tunofire.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/71795976936.pdfIn PDF document text
  • http://spodne-pradlo-2bpoint.sk/UserFiles/File/49533358507.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16145213c2dbab---dunamutepuvuzaval.pdfIn PDF document text
  • http://tonioloclaudio.it/userfiles/files/74898677887.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/9f9cec905ea44414378e4c26941a6797/68240038142.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=class+diagram+system+analysis+and+designPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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