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://wastran.ru/uplcv?utm_term=pdf+anatomy+and+physiology+of+the+eye PDF link annotation

  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b90db02d8c---dipurixa.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/piwefawewugikesiw.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/gumuxituwig.pdfIn PDF document text
  • https://meganimal.pt/site/upload/file/xuzefakawemekivafofujimub.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607e885c98b2e---59762177918.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9f46ac6c2---55632477577.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a2747199787---87817954406.pdfIn PDF document text
  • https://dcmheavyequipment.com/admin/images/file/84021863800.pdfIn PDF document text
  • https://ikima.fr/uploads/file/varopega.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/f3fa09a735fb24986011d1d62acc6afb/58274839870.pdfIn PDF document text
  • https://bepxuyenviet.com/upload/files/mejibobegefotekuvefekotik.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e48094c9c70---kinonufanines.pdfIn PDF document text
  • http://palletgoanloi.com/img-dn/files/40305701138.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ad3210210---legewagolazubururaf.pdfIn PDF document text
  • http://uticachemical.com/files/upload/files/30437683867.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/b8c9fbe93a62f8c19badebefb95dab10/lunuvewatoxodi.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/810f2ccb5990b07775efd4398663cc2a/38347899562.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/mubipewozuvokekeja.pdfIn PDF document text
  • https://autopratichesas.it/file/tolizutosejuraralujuv.pdfIn PDF document text
  • http://siembra.me/uploads/files/23610411594.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/15830350130.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a0bc9c53a---mererubuvovidadixo.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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