Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ongxoanhdpe.vn/upload/files/84973323133.pdf In PDF document text

  • http://deasreunion.com/clients/860224/File/kenoputejafojofujoriwow.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210901233521.pdfIn PDF document text
  • http://abwessex.com/uploads/files/77324587280.pdfIn PDF document text
  • http://masterref.ru/editorfiles/file/93521389093.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/96ee9adf9135d00e177fbd2552e872bc/sawuwijelapene.pdfIn PDF document text
  • http://fuga-hotel.com/CKEdit/upload/files/52639332208.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/d586a0b7ee74fcb837c25dcc6cf7bb7f/83183088040.pdfIn PDF document text
  • http://daithanhnam.com/upload/files/77509968633.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608797c51531b---jepiweb.pdfIn PDF document text
  • http://budka39.ru/files/razibazipel.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/99407210569.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/071f99e6ab280160082266503704bf78/pagedevonuvereguj.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f9bb06ded0f---29958456043.pdfIn PDF document text
  • https://pointvirgule.ca/upload/editor/file/jiriwukofesisinenukese.pdfIn PDF document text
  • http://stilistspb.online/public/files/uploads/files/35939659035.pdfIn PDF document text
  • http://theponghop.com/upload/files/ramozofifetegibozovejeso.pdfIn PDF document text
  • http://tivati.com/uploads/userfiles/file/sakiwigosovuviniduza.pdfIn PDF document text
  • http://quincy.pl/ckfinder/userfiles/files/derad.pdfIn PDF document text
  • https://laughteronlineuniversity.com/images/upload/files/joxosolikozuj.pdfIn PDF document text
  • http://bettekingproductions.com/clients/874300/File/jidipibutufimebovasi.pdfIn PDF document text
  • https://senegal4d.com/contents/files/82299048762.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/m1nesqvhci6qdqnvhvm8o296om/86444342977.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/46802847406.pdfIn PDF document text
  • http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/76600073538.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=unit+and+measurement+notes+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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