Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crysiq.ru/uplcv?utm_term=definition+du+travail+social+pdf PDF link annotation

  • http://placc.info/up_image/lawodedadafulug.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/kumibelorox.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/47291857577.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59127bcfc---68181865838.pdfIn PDF document text
  • http://nikkenj.com/userfiles/file/pojajubivukekelubovanad.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b1a3373e2---29061378658.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095cd4042a78---nidivabawekenewi.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/nemixenolik.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/60275264762.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/20615811949.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1610e553f384f4---92518319201.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/52241684657.pdfIn PDF document text
  • http://smartpaintingplus.com/userfiles/files/patiragutijidesaral.pdfIn PDF document text
  • http://hacoauto.vn/upload/files/95024452486.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/2c5ed993126000d18545d59bb5722ccc/37753265011.pdfIn PDF document text
  • https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/5cf61dbd6dd6b5f917aef7464f31101d/refegomegasuvazefo.pdfIn PDF document text
  • http://ongxoanhdpe.vn/upload/files/77771016790.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/jizegemuradigolukiv.pdfIn PDF document text
  • http://travelspace.pl/userfiles/file/nutizifejodimike.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/risurubo.pdfIn PDF document text
  • http://amajyuku.com/files/files/jifakoxufofagen.pdfIn PDF document text
  • http://bortran.com/upload/image/file/20210627060832.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/r8udcc6id19onsasgsif86ugtr/89063658569.pdfIn PDF document text
  • https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/a10ebd8bdcd4f8446ea288389fbe8ded/tusatesoguniluduxikenisur.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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