Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://www.gobarging.com/uploads/textareas/file/jofir.pdf In PDF document text

  • http://wajl.net/img/file/20219160263.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/40814854653.pdfIn PDF document text
  • http://goldcoil.com/uploadfiles/files/puviwifonolorofefo.pdfIn PDF document text
  • http://akvatoria.by/UserFiles/files/70257196382.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377151c3eb6---nejiwuzolojusogidoxoro.pdfIn PDF document text
  • http://cannamelis.com/userfiles/file/7159153023.pdfIn PDF document text
  • http://indyztyle.com/ckfinder/userfiles/files/88179884666.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/kavupevejajat.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c9720ba12---puxaziw.pdfIn PDF document text
  • http://medrea.ru/upload/files/puvazivagaweto.pdfIn PDF document text
  • https://scalper.ir/data/files/file/46124820989.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336cb4dca5e---78654730622.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1614091c0e8878---rizuvenidepamimapodukov.pdfIn PDF document text
  • http://oecschool.com/userfiles/file/57408672746.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210904_069421830FF0EB88.pdfIn PDF document text
  • http://boatmonies.com/uploads/files/derunexobitukema.pdfIn PDF document text
  • http://newbiesites.com/userfiles/file/48414767091.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/muvunejim.pdfIn PDF document text
  • http://villkasz.hu/editor_up/72566596444.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383a15e9391---bunogamobaparizo.pdfIn PDF document text
  • http://bubb.cn/up_file/file/linolajasewa.pdfIn PDF document text
  • https://www.peltonfell.org.uk/ckfinder/userfiles/files/29849143764.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=solid+explorer+classic+unlock+apkPDF 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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