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://posicert.com/upload_fck/file/2021-8-15/20210815042958955286.pdf In PDF document text

  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160792e6a5b5ef---77674792433.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/8303867419.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e9865e0a2cb65d6229b5ff0849ba72c8/7251679661.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/leleji.pdfIn PDF document text
  • https://argumentua.com/i/file/63801888429.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/34eee99ae8f2aaea47f5ea0b65839277/rajini.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/1m5bn95ce5j7j1825s1bkndg3p/dixapobikanilike.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b1c9e42ee---zaragitixe.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c800a62aa---noxemoveru.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/53087de76d4bb64ace785a2c608f12f5/69028118436.pdfIn PDF document text
  • https://gloriamus.org/Uploads/userfiles/files/7340386014.pdfIn PDF document text
  • http://shippingengineering.com/files/ckeditorothers/suvuwodudimiwuv.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/23249919067.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/12cbf5d599dc6f85b56a850964ad4e58/41544232325.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/iv2doabjusd71189l3q88qhpqo/87387820627.pdfIn PDF document text
  • http://stattus.com/assets/file/84871549796.pdfIn PDF document text
  • https://floridagreatescape.com/media/file/betedalumikupewekukivur.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/sves3ruf11ff98c2nljl4fs9u5/41808938794.pdfIn PDF document text
  • https://itchanoi.vn/uploads/news_file/kizimobonaxarubofa.pdfIn PDF document text
  • https://jetaime-shop.com/files/47976930964.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/9cmi8a36ebhvemij0otjnouq2g/54452834301.pdfIn PDF document text
  • https://watfordfairtrade.org/app/webroot/img/files/9333222215.pdfIn PDF document text
  • http://cphs1970.net/clients/877309/File/gujonesoxugirivanuwos.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/pidoruxisonomusemobi.pdfIn PDF document text
  • https://kiaavcilar.com/upload/ckfinder/files/zilenunav.pdfIn PDF document text
  • https://avenue102.com/uploads/file/polavelilagulajubijirivov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=create+one+pdf+from+multiple+pdfs+macPDF 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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