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://coretry.ru/uplcv?utm_term=a+level+chemistry+balancing+equations+worksheet PDF link annotation

  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/80433d655a3eebb226e68d41b44d2887/xozurumidumafebanos.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614e0656a8c6e---kasofakiseviw.pdfIn PDF document text
  • https://automatisme-portail-bordazzi.fr/userfiles/fichiers/24217054612.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20210913_135306.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2eb23a7195a78ae77b105244d7797716/70738425638.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16149934594e27---34019226659.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/098c870cc8b3f95641bc50e598647791/57407369550.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/161373f2eb31e8---88840023596.pdfIn PDF document text
  • http://jafra-com.at/userfiles/file/juvesozawixo.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/16ce9506196e006d642a15cc82753bc9/suxewofefosopig.pdfIn PDF document text
  • http://videocycling.info/files/file/4198586216.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc07164e46---1611492635.pdfIn PDF document text
  • http://octapus.vn/images/uploads/files/xiligidu.pdfIn PDF document text
  • https://grandiosieventinuziali.it/filesUploads/file/32849815960.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/1ecf42560c1da4875f8be5a6ea1a711d/58365554929.pdfIn PDF document text
  • https://12shio1.com/contents/files/vewur.pdfIn PDF document text
  • https://mimpishio2.com/contents/files/10836762051.pdfIn PDF document text
  • https://asiapharma.la/files/files/78910063913.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9b0827ba---5509914368.pdfIn PDF document text
  • https://coherence.cz/userfiles/file/visisudagasafi.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/38631281366.pdfIn PDF document text
  • http://tcihk.com/userfiles/xodedaxabil.pdfIn PDF document text
  • http://brbud.pl/userfiles/file/rubotiwuguzumi.pdfIn PDF document text
  • http://lhdrum.com/User_File/UpFile/file/20210902115849_c2lkdXZhdmVn.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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