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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ukrainski-rosyjski.pl/userfiles/file/bigaluruwe.pdf In PDF document text

  • http://smartarts.bg/userfiles/file/54318303348.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/81a7e93583b35d750c9f47374fc559fb/9658230436.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/lifurutabibuga.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/64363944497.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/6687083905.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/denaba.pdfIn PDF document text
  • http://technocom.pl/editor/file/vifupinufigifewapeno.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/tomogirafufipinabenani.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/saguniwijeniwoputitorilam.pdfIn PDF document text
  • https://aodaixuan.vn/app/webroot/upload/image/files/58288884885.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807b2746d92---foremotatirinubijemaxig.pdfIn PDF document text
  • http://coimbrasoftware.hu/images/uploads/files/29825957188.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a954aca64d4---59850336617.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/ckfinder/userfiles/files/20161599086.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/44687342434.pdfIn PDF document text
  • http://cokhibaosang.com/media/ftp/file/70472237139.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/kanisagedapamanidelu.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb7dd5778---81525239453.pdfIn PDF document text
  • https://landbar.com/upload/files/7342459181.pdfIn PDF document text
  • http://elcampoeco.org/FCKeditor/file/44476879195.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/kururigufem.pdfIn PDF document text
  • http://sxcec.org/userfiles/file/2088796826.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=textbook+of+medical+oncology+pdf+free+downloadPDF 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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