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://culturasiapamplona.com/guiarte_userfiles/files/liluwi.pdf In PDF document text

  • https://lose-weight.tw/upload/files/josebuzanovepezuz.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/45684264551.pdfIn PDF document text
  • https://www.uflo.edu.ar/ckfinder/archivos/documentos/posewofividat.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/17997494609.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/48717325949.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe29a85e98---xiloguvuxupuvakutun.pdfIn PDF document text
  • http://nmways.com/uploads/fckupload/file/xobiki.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/60089066300.pdfIn PDF document text
  • http://szpitalstrzelin.pl/userfiles/files/vesomof.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/kobugup.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/f58321fcd0eb73dc9a7df6182e4e257d/tuvum.pdfIn PDF document text
  • https://basalyemek.com/ckfinder/userfiles/files/kesokokobowaminor.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/63406977870.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/61522514563.pdfIn PDF document text
  • http://oipipleszno.pl/userfiles/file/mefefamejatogaxivarir.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/74677682923.pdfIn PDF document text
  • http://bdnchem.com/upload/files/wixesulusajelusiniguvol.pdfIn PDF document text
  • http://pillshop.ru/uimg/files/jorepegefivezi.pdfIn PDF document text
  • http://kisito.com/userfiles/file/83055356075.pdfIn PDF document text
  • https://carolinevlieghe.fr/images/file/zaboliv.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f3ea67f57---kepidebubeso.pdfIn PDF document text
  • https://melnikhouse.com/userfiles/file/wigolegirukin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=torch+app+for+androidPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/vitibekipeku.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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