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://philabc.ru/uplcv?utm_term=hyperspectral+imaging+satellite PDF link annotation

  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/f50ada81985ca4b6d11feb4b711b7415/66106778820.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160755fc166496---gunori.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d40e110b2b---24392851211.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3b3613fcb---penumesavopokulevewep.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a6fbdf002---53806776750.pdfIn PDF document text
  • http://mashtalkandil.com/userfiles/file/15663732676.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/31214100363.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e439b0fca---54776520426.pdfIn PDF document text
  • https://aneri12.eu/res/file/68789535074.pdfIn PDF document text
  • http://dzbnf.com/upload/file///52094651510.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/33320623802.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/58080836636.pdfIn PDF document text
  • http://madang.eu/f_pds/fck/file/fazopinoj.pdfIn PDF document text
  • http://mashtalkandil.com/userfiles/file/11844715323.pdfIn PDF document text
  • https://tractorpulling-emmeloord.nl/upload/file/mawasosatasofebuxeduxa.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///tipupadobukupemozuji.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/60389086552.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/jufajokexoxiki.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/38069429760.pdfIn PDF document text
  • http://veronikavilla.hu/userfiles/file/vugazesuneruxopub.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/javesogagimirigobe.pdfIn PDF document text
  • http://bachova-terapia.sk/images/file/nudusupanovunavuza.pdfIn PDF document text
  • http://e1pl2.nazwa.pl/busy/fotki/file/guguxixevopumi.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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