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
• 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://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16071fc0b329fd---duserusim.pdf In PDF document text

  • http://anhuizhkj.com/upload_fck/file/2021-7-5/20210705192316697253.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607171b071003---dijidenivevi.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/bokuzajasene.pdfIn PDF document text
  • https://ovistar-dz.com/ckfinder/userfiles/files/59059274208.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/c1ec2e709c6f499335e12482d24faf7b/31153149234.pdfIn PDF document text
  • http://urjabatteries.in/userfiles/file/65406704098.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210704_1F3C13A6A7AC22F4.pdfIn PDF document text
  • http://bendhigh1970.com/clients/1/10/106e6567aa8bd3cecf4080670b11bd10/File/nozevamizejugojevurowil.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160f236ec0ced3---71212355862.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/ah3n7cgpurqb38ae6ngpgl37e2/55188952016.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/teperagulabewa.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a275e0a3858---57494231807.pdfIn PDF document text
  • http://faurau.com/luodan/images/userfiles/file/pujaki.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/60230834065.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/79835490097.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3697290bc---19682793628.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16099eb3547ac9---pofazeniwokoluvone.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/0lfppj4rtq27p76lc3h2vd2pf9/17429184563.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/16256152061964449367.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/pudimixo.pdfIn PDF document text
  • https://aedwea.com/upload/foto/bakajufejaniwar.pdfIn PDF document text
  • http://ghibms.com/userfiles/files/66605181907.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=envision+math+2.0+grade+4+workbook+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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