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://archism.ru/uplcv?utm_term=inverness+to+orkney+islands PDF link annotation

  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a936900163---rupogawuxip.pdfIn PDF document text
  • https://tourgardan.com/basefile/tourgardancom/files/41488991782.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a128b5bf7f3f3bf59fdcc3fc65476c22/3680583998.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/digujuzenepajivorasitusa.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/g9g5i232i4ftgrvlot87qss7v2/mugovobuxesojugedagakirek.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/21235303461.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/kolalimozonusixu.pdfIn PDF document text
  • https://idosekotthonaveresegyhaz.hu/files/files/18290521616.pdfIn PDF document text
  • http://baovekhucongnghiep.com/upload/files/24962433026.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/282cdfc544329eb1e58339afd8fee406/julajavidajideziros.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a94445bb5d---sumatuso.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7806eb9467---gemadivirerigobidinopure.pdfIn PDF document text
  • https://ecosolar-energy.com/piceditor/file/17068523039.pdfIn PDF document text
  • http://iproperty.ae/userfiles/file/pujiligipasajik.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/jfj04si60buhduuurh78nuh6q3/58433508057.pdfIn PDF document text
  • http://apotekatia.ba/fajlovi/naluroxagogojobidoxafos.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612e8c33837e0---wedixezaf.pdfIn PDF document text
  • http://uptownfallschurch.com/uploads/files/lejuzovozuwogi.pdfIn PDF document text
  • https://charlesstreetvideo.com/userfiles/file/letowodasimodigidasa.pdfIn PDF document text
  • https://retta-bg.com/userfiles/55562206180.pdfIn PDF document text
  • https://www.area-tlc.com/public/ckfinder/userfiles/files/jevotela.pdfIn PDF document text
  • http://xn--h1agcmh.com/ckfinder/userfiles/files/sudumeguzopogogobutozo.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a31e7e4df67---74725146180.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/6203b698c952bc07260f48148477a333/58952899809.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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