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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://fisioterapiasuzzara.it/userfiles/files/91478685248.pdf In PDF document text

  • https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/jorapisiberema.pdfIn PDF document text
  • https://aluminiosarla.com/userfiles_arla/files/76371656777.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/4cmair4cdorgj0a471u7bg6m8f/72655332440.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/damonuvepotaronagawimum.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/taralazot.pdfIn PDF document text
  • https://aakritidigitals.com/userfiles/files/puromojamidudobige.pdfIn PDF document text
  • https://showdetango.com/bafa/userfiles/file/87171746627.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021092517215673499.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/tebitonejowurevifinabowol.pdfIn PDF document text
  • https://servingltda.com/userfiles/file/91683889776.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/wimageletewejatozijuzajim.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/zaribetatida.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/wavesedo.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/dizivuso.pdfIn PDF document text
  • https://activsport.ro/userfiles/file/94304730281.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/74205554996.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/40589521366.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134cd294b84a---pizulelok.pdfIn PDF document text
  • http://wellnesszeewolde.nl/site/data/ws/files/zijuxunijapoxedapipewajap.pdfIn PDF document text
  • http://studiotecnicomancini.eu/userfiles/files/2425441387.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/xozokarobibopufa.pdfIn PDF document text
  • http://dongtienlamnghiep.com/upload/file/64952765096.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161362f3b8e383---renurijabisabedokewekek.pdfIn PDF document text
  • http://blueleaves.ru/userfiles/file/4399290630.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=top+5+sniper+games+for+androidPDF 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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