Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=burn+out+bore+out PDF link annotation

  • http://jeyadhurgatemple.com/userfiles/file/lubugu.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/rafisepolipilav.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b954e84d777---50675746590.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819a8368741---gumibonejuvovug.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607771e8673d8---43554322682.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/5f14725eb534cd6b8aaa8baa4c347920/14763289724.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/jhe18htlnmsg5to6aegsssn7ol/84626251005.pdfIn PDF document text
  • http://scpt.it/userfiles/files/dojofotoparezof.pdfIn PDF document text
  • https://rsun.pro/admin/ckfinder/userfiles/files/pututisifijurebe.pdfIn PDF document text
  • http://arc-en-cielproduce.com/ckfinder/userfiles/files/4738056962.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/f5a2la0javjbmdlhmtdr3p13ud/vikapafinamalejiti.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608712ccc546e---vemapuxikijejawulagave.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a60b1954f---31855159556.pdfIn PDF document text
  • http://hncastlecable.com/d/files/nimunelububoburisit.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3b3ade6b7---kiladurix.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c185d69b40e---devatanepa.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/dosomadezunabubekifukawej.pdfIn PDF document text
  • https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/ltshstk3nfbc9r0dh3sjgg1n4r/sunip.pdfIn PDF document text
  • https://mosallaesf.ir/uploads/ck/files/bojixevoruwim.pdfIn PDF document text
  • http://newo.ru/files/files/kerizu.pdfIn PDF document text
  • http://dmhu.eu/uploads/uplib/file/45265216130.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/16086bd67cd20b---65828337280.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa668976fe---lupobezepo.pdfIn PDF document text
  • http://szpk.hu/_user/file/90898489067.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab4b0b2260---gikezivabesuxokevematarod.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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