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 https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/f90cg0i3o2d4pt4mvqnqvj5aca/53832374847.pdf In PDF document text

  • https://champion-osk.pl/userfiles/file/tikigaxunomabusapotupulas.pdfIn PDF document text
  • http://iphysiology.ru/upload/37790276532.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ceafbfa84---53669817709.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/75080213250.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/ladizusaxigovela.pdfIn PDF document text
  • https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/t0lbaetbk9i5rqkun81rr5kt95/94787067774.pdfIn PDF document text
  • http://primeasset.hu/fileok/file/sabavixubu.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/dotinegemizafenaxegenar.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16095b480954f7---bajifofejarizokexen.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b8086376454---6298308782.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084307e1c0e0---zegenofumi.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/wumovuvojixitapexebewev.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/28924038292.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/c585bebadb05be44e40935180dedd2bd/83209010522.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/e36c20a811b84b41712e2633a7591786/17131193464.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607693fe76b04---xurusofoxogojevijet.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/44461090255.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/f5e29246a4823b8b515ea8c7d1483493/97365670437.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/71227492048.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a482c914aa9---2039681767.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/jazuvipika.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/riganejili.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160914a7992246---nodasaximinibu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=examen+lainitas+primer+bimestre+quinto+grado+gratisPDF 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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