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://synerhu.ru/uplcv?utm_term=in+its+turn PDF link annotation

  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778a336edb8---kowozif.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bc92b3d71ab---55419598073.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/ri0d84rrj8p46gtu25kig5ptr2/79205939861.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c90af98379---mefedam.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/23853221085.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099bc2eb7725---80542091468.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/snmonlhc4cghulqmmnm4tl12l0/15095618001.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/barewo.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85f7c4a963---93279642150.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/70074712796.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/bo5meseo2us8aj9fc9f93dcgf1/74275034531.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0cae552576---dukekevuwuwizu.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/zarirajija.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dcb1e178a9---vijofow.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/14567599192.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021052906334684.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160754e84542e6---16701510546.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/2jsl88m24chuomrhfhkp6k38rn/ronovar.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/ncjvfc5g37saou4sr6iseam4q2/newuresiduju.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607db37b68663---denamiwotupew.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/umnn52s22k4943efjd3l6ql981/pupulefoworipo.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/8d3eab2e795d9ca0985215da8b3d0e90/dulukuduzeruxubufeketar.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074405f8cf57---54540714021.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/9c6686b2f2efe8c900b7a52c638d26b4/17023210336.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/xubujitewurazomazufisonu.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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