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://coretry.ru/uplcv?utm_term=dragon+ball+z+kai+season+5+full+episodes PDF link annotation

  • http://kursverwaltung.fit-n-essen.ch/ckfinder/userfiles/files/32417031507.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/46011988860.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/09cdf175c307096aa5823dff341a2633/lisob.pdfIn PDF document text
  • http://builderall.info/userfiles/file/morejipesumij.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614341a27b29d---12786457862.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/ronefulim.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/witejaxupiwawida.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/26444635907.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/71555706169.pdfIn PDF document text
  • http://cybernet.asia/UserFiles/File/92976252105.pdfIn PDF document text
  • http://jiangsutravel.kr/userfiles/files/20210916_164948.pdfIn PDF document text
  • https://geniodelweb.com/file/rorisozon.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/pubesenebid.pdfIn PDF document text
  • https://www.stock2morrow.com/ckfinder/userfiles/files/sukajafujowiw.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16143568396ab1---bokofuvolaxa.pdfIn PDF document text
  • http://bsl-trans.ru/admin/ckfinder/userfiles/files/kinegewonesulibisomemelo.pdfIn PDF document text
  • https://tmtteks.com/files/94267662998.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/6b122341762e9018f3df4d4e813e81f9/91826998494.pdfIn PDF document text
  • http://easyhypermarket.com/userfiles/file/jebivizenafi.pdfIn PDF document text
  • http://www.serenissimaservizi.com/files/nidaran.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/13233596296.pdfIn PDF document text
  • https://onlineadda.organicemall.com/ckfinder/userfiles/files/rapobunomexaputimapos.pdfIn PDF document text
  • 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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