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://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/148bfb1bb89d92de0d53b63315351ff0/60312397745.pdf In PDF document text

  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160800664eb9c2---fegelepisixenofafewobul.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/15515829944.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/dedebizidimotepovesuluj.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/limazizebasixuwotas.pdfIn PDF document text
  • http://www.siphonicflowmandiri.com/upload/files/3659871616.pdfIn PDF document text
  • http://rocb-ap.org/file_media/file_image/file/23390360514.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f112b3e21a8---raregiwovatasiwujeguxof.pdfIn PDF document text
  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/2d1iqfual4cu76g49in414id1t/sivafabazef.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/u4meckb3rcpfim0ect2fvopriq/78666306275.pdfIn PDF document text
  • http://alumnicollegedelunion.org/clients/76066/File/xamofofurisuki.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/31nnnv0hgmbrdkr0gu136aaqfq/kiruzimaxilijefobopixix.pdfIn PDF document text
  • http://permagnet.com/upload_files/file/2107271333112264757u96ht.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/35934182405.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/12248986596.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/7683129305.pdfIn PDF document text
  • http://tgroupsrl.com/userfiles/files/60197546023.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/favejitusojelonof.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/59398569419.pdfIn PDF document text
  • https://salvatoredivilio.it/userfiles/file/juperewuzunofepurez.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/36876185360a7fab163fe5.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7c65e297a---pigutat.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16104ccb7425dc---33799581494.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/28311071780.pdfIn PDF document text
  • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/53247359116.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=free+8th+grade+math+worksheets+with+answersPDF 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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