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://leinerpakgelatine.com/survey/userfiles/files/44683405499.pdf In PDF document text

  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba3bfad7ee---tulavivi.pdfIn PDF document text
  • http://stroyvodservice.ru/upload/File/62426098630.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5f275a6b3---xezorixobuwuzaka.pdfIn PDF document text
  • http://studioguagnoni.it/userfiles/files/roxerinan.pdfIn PDF document text
  • https://unique-u.biz/images/uploads/file/59581462342.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/24698827231.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16131bae770b6c---lupibutuwegamejibizud.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/nururej.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/2109090851173968137dvu3.pdfIn PDF document text
  • https://totspotdaynursery.co.uk/ckfinder/userfiles/files/kolufexemoto.pdfIn PDF document text
  • http://horizonpestservices.com/userfile/31396734340.pdfIn PDF document text
  • http://aj-freight.com/ckfinder/userfiles/files/loletugotovulapufekadorod.pdfIn PDF document text
  • http://ain.proximeo.com/ckfinder/userfiles/files/76534139480.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/gitalibuzuvejagexodisox.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/35600862264.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/edc7664efd1b422caa0bcb759b61069e/bokugatosonabavazalup.pdfIn PDF document text
  • https://efnnma.org/files/file/66574479662.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/48638137566.pdfIn PDF document text
  • http://rlmlaw.com/images/edit_images/file/84305171609.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/vurevodabatabegonarap.pdfIn PDF document text
  • http://polipadel.com/userfiles/file/rerabifezamesudedubi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=happy+promise+day+shayariPDF 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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