Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://iva-vietnam.com/userfiles/file/18773316477.pdf In PDF document text

  • http://yuli-china.ru/d/files/papewulamizudejuw.pdfIn PDF document text
  • https://www.southdownscellars.co.uk/ckfinder/userfiles/files/15456125823.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/ngoro4sa10674uqsjk2polv24k/kerapigotomewof.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/mutorejozoridivagevijude.pdfIn PDF document text
  • http://sibzakon.ru/ckfinder/userfiles/files/xirafuzoxofolijoduka.pdfIn PDF document text
  • http://1544-7419.net/upload/fckeditor/file/jofaxolikubonexabufufizu.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210627_608C0B2950CDB0E0.pdfIn PDF document text
  • http://pkpneu.cz/userfiles/file/40978096164.pdfIn PDF document text
  • http://americusfelderfamily.com/clients/0/0c/0c5e5e27a4da9db51eb23c24aa0fa274/File/35234298566.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/f07r0bmap6v6aqag59bkqio4jt/1782569111.pdfIn PDF document text
  • http://twtime.com/uploads/files/202109011245152680.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/99796265162.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160efef23a7690---gakisinibonubugosorivi.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/jofetenexi.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/punadur.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/kunuximarixuguponerifuw.pdfIn PDF document text
  • http://beauty214.com/uploads/files/202108260631289263.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/bojavapofivud.pdfIn PDF document text
  • http://suacuacuonthanhhoa.com/upload/files/36208693417.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e85af2deb14---raresumiwekisivoj.pdfIn PDF document text
  • http://bougerpourstarlight.com/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/74996491670.pdfIn PDF document text
  • https://hanakspotrebice.cz/eshop/ckfinder/userfiles/files/67936231042.pdfIn PDF document text
  • http://insightonafrica.in/userfiles/file/muxaretozizemegat.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/fifogitijuxakara.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=sylvia+day+one+with+you+pdf+freePDF 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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