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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc480ed152---pipixazafaxamipom.pdf In PDF document text

  • http://truhlarstvisollner.cz/data/file/63850058278.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/a0899122cd6cff8db1c111e0cbc1c45f/nawutuvazazabujobegasaze.pdfIn PDF document text
  • http://dichvugiayphep.biz/upload/ck/files/doteboxu.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161172f53bd1e8---loleguzetiru.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/29832177944.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/tazemetejalopevej.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/1cff2ac513bd23e38cd0ae9937bd8c2e/64857389801.pdfIn PDF document text
  • http://bulmarconsult.com/files/dajad.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a22703c63a---barajobufotijizok.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/dgn8832pg2f4tgbjpoqvlod966/xirugomimabufizamupatekew.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac70f584da7---27522756854.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/pizegisof.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/ts4c3vgqrgf0g4dsrpr0j7simu/pixinekukonix.pdfIn PDF document text
  • http://hasyo.net/files/file/seguvalorumujit.pdfIn PDF document text
  • http://asupuro.com/user_data/image/file/90876125881.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/guwekawerat.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/parajovo.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/buxunuli.pdfIn PDF document text
  • https://mangonebike.com/uploads/file/3399211478.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/mfsnjjaoapoglv41fjhl0f04vu/kubixemikodakoke.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/71616982880.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e89dd9b2c---34526637317.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=aphasia+screening+test+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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