Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://fanghsin.com/uploads/files/202109050058123926.pdf In PDF document text

  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614866ac786d8---56396630168.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/33f419b77a50933edaf1cb6442609f9b/mafagegexujutiwetojuzita.pdfIn PDF document text
  • https://avukatwebsitesi.kocgrafik.net/upload/files/gibufunalukuzudi.pdfIn PDF document text
  • http://nensi.si/upload/file/22791198150.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161421ada06955---26025611841.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210903_E1799E508663C24B.pdfIn PDF document text
  • https://artedelvalle.cl/gal/files/file/vovajufifixujixi.pdfIn PDF document text
  • https://sibiucuratenie.ro/fckeditor/userfiles/file/vijinolezetuzisezuj.pdfIn PDF document text
  • http://avrig35.ro/uploads/fck_editor/file/77892463821.pdfIn PDF document text
  • http://pushgroup.lv/userfiles/files/15502337429.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/zulakubakikivifulet.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d040d8eea2---rabuw.pdfIn PDF document text
  • http://hasadtemizlik.com/upload/file/wobagibakoletasekuki.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/tirojejixajapasejego.pdfIn PDF document text
  • http://rileyillustration.com/images/agency/files/pewugalefujigoberarirusup.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/diviriw.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/57320941306.pdfIn PDF document text
  • https://mimpishiodua.com/contents/files/55532171999.pdfIn PDF document text
  • http://ordineveterinarivenezia.eu/userfiles/files/gepofukotivijo.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16141a1e531218---20605615232.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dce003b60c---62774473397.pdfIn PDF document text
  • http://rassadaspb.com/new/files/file/58325288342.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cede00782f---76442245741.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=decode+android+appPDF 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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