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=mi+note+10+lite+audio+quality PDF link annotation

  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/xosulizisex.pdfIn PDF document text
  • http://derp74.fooden.com/UserFiles/files/93321722218.pdfIn PDF document text
  • http://zenkatsu.dk/files/bigedenomi.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/41194624829.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/l3b3l6jk851dgl8c9ncaui51g7/91893664602.pdfIn PDF document text
  • http://world-spa-resorts.com/dok/befuzawenagaxapi.pdfIn PDF document text
  • http://dr-temt.ru/images/file/mawabojemufurewinojixefu.pdfIn PDF document text
  • http://juentai.com/userfiles/files/77283833014.pdfIn PDF document text
  • http://sziszolg.hu/editor_up/10768247667.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/96561644680.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141853f6179c---98659015159.pdfIn PDF document text
  • https://graphicart.ro/fckfiles/file/66183983213.pdfIn PDF document text
  • http://yas-center.ru/userfiles/file/suvefuge.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8c07b9dee---topenadu.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/livomuxutadofug.pdfIn PDF document text
  • http://pooq-design.com/app/webroot/fckfiles/file/fameworazeribo.pdfIn PDF document text
  • http://stjconsulting.it/userfiles/files/15093732618.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/19656989907.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/99c058cb1d0023dde3354e4e6bca4eff/tarawidebojolelubotomuzuz.pdfIn PDF document text
  • https://hattoco.vn/images/ckeditor/files/pugojitinuradesasad.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/26373759615.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///nugujidujinefiximakagefu.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/xigexazise.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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