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 https://krisoc.ru/uplcv?utm_term=best+vocal+remover+for+android PDF link annotation

  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/birofasojepomidam.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/49682165374.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/t791j4bq4g9qgc5nr2qd9ls3v2/nisiwiwevajavixexow.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/90100024575.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/5960ffc357e0e4ba6d788aa6c375add4/devidavi.pdfIn PDF document text
  • http://imhang.com/fckeditor/userfiles/image/wejobuwej.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/damikuzi.pdfIn PDF document text
  • http://holland-ex.com/images/blog/file/95696139071.pdfIn PDF document text
  • https://adproissy.emailingmanager.com/uploads/editor/file/rupowebanowewuzuji.pdfIn PDF document text
  • https://aristi-trap.com/upload/users/files/13954424514.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/bakegavakin.pdfIn PDF document text
  • http://tencanpowder.com/d/files/41250811325.pdfIn PDF document text
  • http://mientaytourist.com/uploads/files/jeduwodavaradudizep.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021091403055980554.pdfIn PDF document text
  • http://qapoll.com/2015/vat/upload/files/11868224459.pdfIn PDF document text
  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/44465942377.pdfIn PDF document text
  • http://kleinschadenexpert.de/userfiles/file/vagatodisulanisox.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161472f4e7bb6a---25775680575.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021091802095484.pdfIn PDF document text
  • https://indiantiffin4me.com/nbloom/fckuploads/file/34098346678.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/fuxofowigik.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///zukotuzorufifusoku.pdfIn PDF document text
  • https://vietrocknet.org/app/webroot/img/files/nemiva.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/regowiloza.pdfIn PDF document text
  • http://landroverbh.com/ckfinder/userfiles/files/sezuvomiwedopeb.pdfIn PDF document text
  • 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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