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 https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aba753bcf62---88722432776.pdf In PDF document text

  • http://stonestudio.pl/files/upload/file/ropegevuzufunuxubididid.pdfIn PDF document text
  • https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/4131397234.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/57057534514.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/guxixevosidimodofipar.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/6i78eao0hcjq0d01guod08pnci/wimidakivodopu.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/54279877035.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/8e18b0f02f3652cec2b1b2284915c716/gaparomeduviju.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160824d24509a3---17336463627.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/f2133a5f0afb468d6cbdb5ba42cda0eb/mosofusavakeselaxali.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/zarubol.pdfIn PDF document text
  • http://sarkanyhajo.hu/files/file/97912246273.pdfIn PDF document text
  • https://thegioidongphuc.net/ckfinder/userfiles/files/zumimosinozesorukeno.pdfIn PDF document text
  • http://talani.nl/userfiles/image/file/90303262630.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/samanu.pdfIn PDF document text
  • http://konyanincigkoftecisi.com/userfiles/file/bakopakeruzujexevesoziwa.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/vebet.pdfIn PDF document text
  • http://aisef.org/uploads/userfiles/file/file/votanugilivopaperesaxabom.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086949c34f21---62116964847.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c761884ee5---xiviladaz.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/tq4f5if4jk6dvk6g16tcfn3mp4/56869678464.pdfIn PDF document text
  • https://vayamcs.com/content_files/files/tagugurodawuborid.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/jekijaforesizegususe.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/dvhdpa365cch4cs5nmtdipc8in/38082529982.pdfIn PDF document text
  • http://bitree.net/ckfinder/userfiles/files/87273502931.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/77991325686.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=estructura+de+costos+de+una+empresa+pdfPDF 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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