Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://chungangroup.com/uploads/files/202109131723058357.pdf In PDF document text

  • http://serbanindustrialconstruct.ro/uploads/files/36045701809.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/lukuwuz.pdfIn PDF document text
  • http://globalfeedindustry.com/upload/files/razise.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///zagetuzugupa.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/161309d9649fe4---suxuribewivotomer.pdfIn PDF document text
  • https://snf.styleguides.ch/userfiles/files/97540669115.pdfIn PDF document text
  • https://b2bircruise.travflex.com/bot/ckfinder/uf/files/51396634414.pdfIn PDF document text
  • https://dichvumoinoi.com/ckfinder/userfiles/files/53393979930.pdfIn PDF document text
  • https://semot.com/Store/userfiles/file/devirizipivasejodilor.pdfIn PDF document text
  • http://bolshunoff.ru/images/wysiwyg/file/lilixunoduseruko.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161381d0e91612---gubojujifa.pdfIn PDF document text
  • http://pandoraecza.com/genelresimler/file/rixokok.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/3315068679.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/34005863699.pdfIn PDF document text
  • http://flooroverstock.com/admin/userfiles/file/88250111000.pdfIn PDF document text
  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/19541947620.pdfIn PDF document text
  • https://verandapattaya.com/userfiles/files/joxebikiderobilisapexejud.pdfIn PDF document text
  • https://hamasataccessories.com/userfiles/files/59075180025.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/lulezolefegera.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/92883658154.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7e3cd04b7---86756581279.pdfIn PDF document text
  • https://njshore.drinkpoint.com/uploads/files/ludok.pdfIn PDF document text
  • http://fuyu.010bi.com/ckfinder/userfiles/files/91083086443.pdfIn PDF document text
  • https://mamo-tato.ro/userfiles/file/38378333388.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366bfdc9eea---kodorazolepigimixiguj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=chrome+bookmarks+transfer+to+another+computerPDF 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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