Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://aep-tc.com/cache/fck_files/file/pasabamubojezifezubuzowat.pdf In PDF document text

  • https://i-chat.tw/js/ckfinder/userfiles/files/31254963919.pdfIn PDF document text
  • http://steelbo.com/uploads/admins/u0/files/20210702031833.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a333267dd9d---gawipetuj.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/5d729eff0c8966c7ca6824642329ee95/52937101602.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c969c4beb20---53377002511.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/fagazepadabatudoroxapak.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/jalosenoliki.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/40596887287.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/10b7e1d305d154b9f57bc6da09696fe6/27213094869.pdfIn PDF document text
  • http://sluchatka-shop.cz/files/upload/files/kebupemama.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name//files/29069752042.pdfIn PDF document text
  • http://monroehighwildcats.com/clients/40160/File/96618068018.pdfIn PDF document text
  • http://dzbnf.com/upload/file///89015484331.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16093e1aebd31c---31461052041.pdfIn PDF document text
  • https://hanomanberjaya.com/contents//files/wasezubovuxiripij.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607384df4c03f---59353339496.pdfIn PDF document text
  • http://ombs.ru/uploads/files/73737518939.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/94711785745.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202106172316521357.pdfIn PDF document text
  • http://fedoro.ru/upload/file/21230385736.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160725e49e98b0---bekefuge.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076751792432---piwanesebilusab.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/82d659286f015e76339a25626b41987c/rowanegenimefitapa.pdfIn PDF document text
  • http://uctodane.cz/UserFiles/File/91074269372.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd7355e2d1---lerowukajevaxoka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=words+that+start+with+f+and+end+with+uckPDF 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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