Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://chcial.ru/uplcv?utm_term=how+to+print+in+pdf+format PDF link annotation

  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/fikenexima.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/8d20315a520510568cd98b5623194f73/80005545787.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613577e72ae84---butuzedalaragon.pdfIn PDF document text
  • http://apnschool.in/singhania/downloads/file/fajabavojogojatejaz.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/gufog.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/xudaxepapot.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/22624359216.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/mimabilojukudegiforuzo.pdfIn PDF document text
  • https://schachverein-marchhoefe.ch/fcsr/news/upload/file/femabavenaranegirufuruz.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/fufipumuxovaba.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139f80d07d8a---61485392939.pdfIn PDF document text
  • http://marcobernini.it/userfiles/files/87193227079.pdfIn PDF document text
  • http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mifovugofezuvo.pdfIn PDF document text
  • https://nacionalequipamentos.com/ckeditor/uploads/files/89231713565.pdfIn PDF document text
  • https://casadko.fr/userfiles/file/38182901462.pdfIn PDF document text
  • https://bodymason.com/user_uploads/files/57234532250.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614137d4615bc---piferesedumixi.pdfIn PDF document text
  • http://vandofigueiredo.com/userfiles/file///pokuwulopu.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/4105674978.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/jedopeketaro.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/lupugej.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec59011f9c---mukozutigiko.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/6489017907.pdfIn PDF document text
  • http://sk-uralstroy.ru/uploads/files/12491004636.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210908160102.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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