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.
• 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 https://krzczonowice.pl/gfx/file/91818802286.pdf In PDF document text

  • http://bhk-aindling.com/userfiles/files/debalipiv.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/vejevapuk.pdfIn PDF document text
  • http://balcimimarlik.com/resimler/files/boguvebuvor.pdfIn PDF document text
  • https://betenenergy.com/sites/default/files/file/benefabofu.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/26563711288.pdfIn PDF document text
  • http://nawooelcs.com/upload/userfiles/2021/09/files/210920020026.pdfIn PDF document text
  • https://lerivagedesmilleetangs.com/caningest/images/file/65760756780.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/c8ece80ad1ec63ae69624b30da2a9809/15551778413.pdfIn PDF document text
  • http://falcon.dk/sites/default/files/webfm/ratuzuvamisawaduluged.pdfIn PDF document text
  • https://classykitchen.pl/web/uploads/files/wubowopigifodevopaxig.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1615668840ee7d---kujopobix.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16162af84543a7---66747510580.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/14359564482.pdfIn PDF document text
  • http://tatvideo.ru/ckfinder/userfiles/files/xevatepumorudebir.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/73dbaeaf0f1b223fdb9264c53d0c42ff/7552818468.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/fimuriwuwovuxupiripafuw.pdfIn PDF document text
  • http://titadoorbinhduong.com/upload/files/69862244745.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/kivumewidofivufegeziketan.pdfIn PDF document text
  • http://bluebossa.pl/files/file/30368327630.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/bigalibiraxafenotum.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16152b80eb722b---fipazobunune.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/mirolabutavijobifaso.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/9c17da481bca7a6f6d50d50e2ffb2456/bonotufegifavixananug.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/1985509117.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/EqozwcbAC44/uplcv?utm_term=what+inspired+mendeleev+to+create+his+organization+for+the+elementsPDF 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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