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://synerhu.ru/uplcv?utm_term=yugandhar+kadambari+pdf+download PDF link annotation

  • http://trevorhannant.com/kumojas.pdfIn PDF document text
  • http://tokyosushilohaus.com/uploads/files/5210310187.pdfIn PDF document text
  • https://dcicz.org/userfiles/file/65701425986.pdfIn PDF document text
  • http://enewind.com/pliki/file/93511038144.pdfIn PDF document text
  • https://bisleriwheel.genefied.co/ckfinder/userfiles/files/ziwijewal.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a7104c42e---zolol.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/koxubij.pdfIn PDF document text
  • http://gs-metals.com/filespath/files/20210903141218.pdfIn PDF document text
  • http://pasaru.com/upload/files/37259159222.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/2ac5e182c269d63cfd4c7f2f4e16a3f3/83890888852.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134ccc715f6a---85576026469.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/sezugunajo.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16130df455a6ea---41458014577.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/wafunozupi.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/zufivetewosadezezixori.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/oibdhn5krjtgdpe9h093eca2vr/mapezetujevude.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/45337642833.pdfIn PDF document text
  • https://icrs-as.com/userfiles/file/55099099504.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/8gd6l53qvh2grl13vsgrasm068/toxexidagemuk.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302cc479871---24010071459.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/35774044281.pdfIn PDF document text
  • http://fernandopelosini.it/userfiles/files/4594513899.pdfIn PDF document text
  • https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/94520655313.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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