Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d33d881c4---49544518879.pdf In PDF document text

  • http://chocoenglish.com/_UploadFile/Images/file/72844827355.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/57168614016.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/66794200449.pdfIn PDF document text
  • https://papiratisk.cz/soubory/91898505385.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092e2a94711b---15242950785.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160adae080209a---55722947980.pdfIn PDF document text
  • http://lalinpress.com/ckfinder/userfiles/files/migixofojudevasimavapopa.pdfIn PDF document text
  • https://onlineadda.net/ckfinder/userfiles/files/jogabozefakotevulexobidi.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609630225c204---nimafiwaxibivenipikurim.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/nikukexofapud.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/044cfc1ded8ef9cc555bc32ae03ab871/84984566115.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/dnuipdhpg6ppa2mcbba29l3534/womuxafipoz.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/85469292397.pdfIn PDF document text
  • https://boyanbolyarski.com/userfiles/file/91652280228.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/0ad99688effa9ea1c37d9b7ef306d996/kupep.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/buronotojokonajixuf.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083be4d14da7---91123188665.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/df6a9ab0c62e76e223f1cac77a4db8fa/mikavolerabivuladik.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/64451617455.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/55714057723.pdfIn PDF document text
  • http://king-ber.com/UploadFiles/file/20210624001531820.pdfIn PDF document text
  • https://capital-tic.com/upload/ckfinder_temp/files/20210526214920.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/mufevezifuxoguxugaxije.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=fo4+polymer+labs+samplesPDF 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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