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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://queure.ru/uplcv?utm_term=download+apk+qr+scanner PDF link annotation

  • http://dezmaster.com/userfiles/file/26417050815.pdfIn PDF document text
  • https://alperbehang.nl/userfiles/file/29764606882.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16138df0a90e42---lesegobaxumewigaletozom.pdfIn PDF document text
  • http://halaljones.com/uploads/files/54686863723.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613931b0b5d27---fesuw.pdfPDF link annotation
  • http://er-trans.com/img/produkty/files/39554718557.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/fee4d26e5ac63f1ae51c74669970883b/54072670300.pdfIn PDF document text
  • http://perchegouet.com/ckfinder/userfiles/files/8483453320.pdfIn PDF document text
  • https://bocion.com/ckfinder/userfiles/files/26718813765.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/vemuz.pdfIn PDF document text
  • https://assofmt.org/ckfinder/userfiles/files/48926152164.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/6494508890.pdfIn PDF document text
  • https://ostrichpharmaceuticals.com/userfiles/file/xugonawutugamufezom.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec71354fbf---33022024949.pdfIn PDF document text
  • https://shidoremicrosys.com/media/98434914124.pdfIn PDF document text
  • https://institut-arabe.org/ckfinder/userfiles/files/23797808842.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/98756781569.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/97083798792.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///vufokunodilefurabasosin.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210915193029.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2690b8d27d3cbc72bcfd5263b7098f29/bifugareretosal.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/mapaparixe.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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