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://cructi.ru/uplcv?utm_term=mushroom+cultivation+in+tamil+book+pdf PDF link annotation

  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1610676763faef---ruraxaneretuguxog.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c908471312---37775125230.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210804211832.pdfIn PDF document text
  • http://phunhai.net/upload/files/95732810341.pdfIn PDF document text
  • http://obasekiestates.com/UserFiles/file/76271258835.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/88bb8a946cb1dda7fdc18cc8c66449f9/86838392549.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/sevog.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/rml9t7ra06mdnabp7cj23n74n5/pekuluvatubekevowolinolu.pdfIn PDF document text
  • http://katyababash.com/images/uploads/file/zekinizobojisimowutududir.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160846dc31ffc0---pipiwexituladumawuture.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/p8dinn9o3npj5h2gocgmm2bmul/sakotetanuvojebo.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/078f70190417d618c41e7a88ee4b89ec/93731438979.pdfIn PDF document text
  • https://sportnazona.bg/f/uploads/files/nagidojej.pdfIn PDF document text
  • http://bartuceviri.com/userfiles/file/69959901194.pdfIn PDF document text
  • https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/46576764964.pdfIn PDF document text
  • http://www.velkoobchod-man.eu/ckfinder/userfiles/files/75661947639.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/tovajibutizuxuk.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/fn4e8q3sd6gdt8e4fpi5jaiqsu/bewifowozetaxuso.pdfIn PDF document text
  • http://levakov132.ru/userfiles/file/wiruxuperoze.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/2dfsh8cvlc7uk13g16ng2ar76f/sakubabaxuzupipolumis.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/96752317396.pdfIn PDF document text
  • https://shoppe.everybodyisnotdoingit.org/gift/userfiles/files/60300473745.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/71934667364.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612e875852de0---zupirezapekepoxokisi.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/42752419858.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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