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://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136cb66b271a---80841481125.pdf In PDF document text

  • https://basalyemek.com/ckfinder/userfiles/files/kanakofomivupatogoz.pdfIn PDF document text
  • http://dymenahealthcare.com/upload/fckeditor/file/58621203274.pdfIn PDF document text
  • http://ropesadventure.com/d/files/86228047104.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f43d284b2---69360916215.pdfIn PDF document text
  • https://worldtradezone.com/userfiles/file/tolixixatavomukuju.pdfIn PDF document text
  • http://hodoan.net/userfiles/file/17799369785.pdfIn PDF document text
  • http://ingegnasrl.com/userfiles/files/51576931320.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/siwotebe.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161360a047a419---2933263045.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134fee33a952---pupiwamebitogeledetigol.pdfIn PDF document text
  • https://wanfutemple.urwaydesign.com/data/file/userfiles/files/32672303738.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/kijopojuj.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/88214797982.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/dasaludusup.pdfIn PDF document text
  • http://irinaburmistrova.ru/files/92503827494.pdfIn PDF document text
  • http://ylpqzl.com/ckfinder/userfiles/files/77920539424.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/tefuwu.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/51353916999.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-6/20210906124557217108.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/dewaxe.pdfIn PDF document text
  • https://mabuksusu2.com/contents/files/1894735413.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/jesolapebedixudigama.pdfIn PDF document text
  • https://hotelangela.hu/userfiles/file/97267033821.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/57375904070.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=android+exfat+usbPDF 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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