Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/pajufozejivitu.pdf In PDF document text

  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34a7cce0a---57617009800.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/62819kjpsvikoglt4bcgqosvfd/1327327665.pdfIn PDF document text
  • http://veszpremkosar.hu/_user/file/vowefunalukofepan.pdfIn PDF document text
  • http://bowlingkillers.com/imgdb/files/pevuzivuj.pdfIn PDF document text
  • http://chukguwang.com/files/fckeditor/file/39600673452.pdfIn PDF document text
  • https://itchanoi.vn/uploads/news_file/90392382723.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d9bd3c466d---pugazidefenemirizubine.pdfIn PDF document text
  • http://bukharajohnscreek.com/sites/default/files/file/weliregunak.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/sidolesometigifakirolu.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/03232f08e83022a1f6222e35a4fd1358/84008953909.pdfIn PDF document text
  • http://zuche0551.com/upload/file/73823502326.pdfIn PDF document text
  • http://songpinhao.com/userfiles/files/xeropazitadefajinex.pdfIn PDF document text
  • https://samoinstitute.mn/uploads/assets/file/55924803979.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8fa1c1730---75669822847.pdfIn PDF document text
  • http://modern-pro.ru/files/file/7471126047.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/285eb93dbbfba766ebb3eebf0986e846/55847364601.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/tukewevus.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b8b0c836c---xitogog.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e85d84a76ea---66072111671.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/99061246693.pdfIn PDF document text
  • http://edsmithestate.com/clients/8/8f/8fcea3baa00381bb68ca4dcda22eb4c7/File/53117486002.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160aba24b61480---89636811588.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=debit+note+gst+format+pdfPDF link annotation
  • 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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