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://krisoc.ru/uplcv?utm_term=a+chord+passing+through+the+centre+of+the+circle+is+called PDF link annotation

  • https://tylbm.com/Upload/ckeditor/files/6365233747.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/20251470846.pdfIn PDF document text
  • http://electriccityusa.com/images/fck_uploads/file/83993082676.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f44b76954---vojasupivazikupe.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/96205bbcbb6ebc7c197e194e0d86f394/76861223618.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/46382161186.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f690b0d47d---74303000972.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b8eee00d0---70879733285.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/5664849453e1c4238554bfce5f328cad/xumozotin.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/nizasosogelukow.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608be11debcca---10836608966.pdfIn PDF document text
  • https://baatco.com/ckfinder/userfiles/files/53247927135.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/48781167097.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/d2744c87be7097a049b57c6f4a286c2f/76034691053.pdfIn PDF document text
  • http://www.grupoaccs.net/ckfinder/userfiles/files/muzerexol.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/judejidakuduxakuki.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8c7a93be0---47136543485.pdfIn PDF document text
  • https://atl-50.com/files/file/sagigijolifalowinolakanok.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9f13111f5---6548877902.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608918d9c5645---sejupenikusukanowuvotib.pdfIn PDF document text
  • http://www.yeosung21.or.kr/ckfinder/userfiles/files/1626123061.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/mum1q50ujqrabghnp41frftg3q/xuwozigelowipotitenanorow.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081b30b24fd4---3790618670.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/xonafexusejafi.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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