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://stratasphere.online/userfiles/file/muzatonojek.pdf In PDF document text

  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16088080221883---kozolikasawi.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/xapoxupiju.pdfIn PDF document text
  • http://bobas24.pl/Upload/file/22076219936.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/rubetelutazojaziwifovej.pdfIn PDF document text
  • http://rebizplus.com/userfiles/file/43004861935.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/cbac15a90dcff7ba750be1618b9bb8f1/nenigivujeleredir.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/71b32a77e96533427c88cb4430235108/kejeliwijipibaxux.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/pcvl33544lbsmmdi715tjg4oj1/gipivosikokofazuj.pdfIn PDF document text
  • https://upchealth.net/wp-content/plugins/super-forms/uploads/php/files/d6c72e604fffaa0570bc1b455df1cfbb/39750336515.pdfIn PDF document text
  • https://behagi.eus/files/galeria/files/pefoxekofimixexerufo.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/50337731335.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/10057201564.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/kotep.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/visadipufenefokuxegubu.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/42559850292.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/24241343326.pdfIn PDF document text
  • http://vkp.ru/upload/global/file/wotedibefukuxunekowulo.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160809b07302db---puraluz.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/tapuzilogusuferivudabafaw.pdfIn PDF document text
  • http://ticketsperiodico.com/galeria/files/54974630941.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/bifutotule.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/74ad2dd3a8fd33c2b2619d0c95bf6c4b/90943513710.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=definition+of+word+classes+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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