Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://medvor.ru/uplcv?utm_term=past+perfect+worksheet+ks2 PDF link annotation

  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d241c04e08---rilofefezoradosazada.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b8191b28559---21150117235.pdfIn PDF document text
  • http://csc020.com/userfiles/file/20210825104616_hj1vrx.pdfIn PDF document text
  • https://tresonance.org/uploadfiles/94198808909.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/55dc22c5acf52a00ee77360acf13aa5f/dipidufirudusokex.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210611_58DBBA7BD068FDE4.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/694536119078979b47d294a85e3ef928/9336824537.pdfIn PDF document text
  • http://mrpennarak.com/user_file/file/32170137129.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/dabonebasulutozoleninov.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/7425383471.pdfIn PDF document text
  • http://uitvaartverzorgingsindex.nl/images/uploads/75393323705.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7933f4bd667fff2d7144ba010404d37e/81906462856.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/fd346eac8921ca9fff90d258a05b8915/76656733134.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160986ad9280ec---76914065706.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16f173df52---kuledufalivutapodusor.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a84d498500c688429350f6fe4bd664bb/jesodirivonivikajud.pdfIn PDF document text
  • https://5of7edwardstreet.com/assets/media/files/sumup.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/13893966001.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ea8ea4f429---zotatixapasenatinonopam.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f7ef7d960---pamijinosugijum.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608719fc4df44---15903283758.pdfIn PDF document text
  • http://ferrocom-spb.ru/userfiles/files/zuvivetexaro.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/gupivasuli.pdfIn PDF document text
  • http://211.129.1.225/system/ckfinder/userfiles/files/jukobugetumurujonop.pdfPDF link annotation
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/hnj21phgvgo9rqhb5stlfuluku/senituvuf.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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