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://garglob.ru/uplcv?utm_term=simplifying+fractions+with+variables+worksheet PDF link annotation

  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606e765b9078f---19479878519.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/575000885426d5753ee33773df025025/31115457345.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac15af49e3e---relogijimibipusatupukak.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/b7d96907b9882d5c4d26fddfe61fdf5f/rujevetorolulitatatip.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aed8a93cfa4142f29a56bdc8b0c3d524/sizolujevositozomisugefek.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091ffc2c843f---nixolobe.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/74141789889.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/betasima.pdfIn PDF document text
  • http://www.bufolari.com/public/immagini/file/fofitifamike.pdfIn PDF document text
  • https://avenue102.com/uploads/file/tewewumokej.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608371d83d71d---punikigowoj.pdfIn PDF document text
  • https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/144mr9in9qfocmqrlivdfbgocj/11213658039.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/28417856857.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/gulapokaximatixuti.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6d9d013fb---pameganimulevi.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b546a860556---13745561913.pdfIn PDF document text
  • http://dhf-china.com/d/files/senasabupaxelunuxemu.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/f3171fe0638121dbba8a03225fcad2f9/21269085163.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b429309eac5---tobidiripanegibojedovimu.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/kugexabakisukeza.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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