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://laborke.ru/uplcv?utm_term=7912+voltage+regulator+datasheet+pdf PDF link annotation

  • https://an-professional.ru/img/files/file/ditilata.pdfIn PDF document text
  • http://e-hematologica.com/users//file/virudidomesoz.pdfIn PDF document text
  • http://aktifimmo.lu/userfiles/files/84916075054.pdfIn PDF document text
  • http://haus-st-otmar.ch/userfiles/files/85436360291.pdfIn PDF document text
  • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/pomaneriraginawijajo.pdfIn PDF document text
  • http://be-now.pl/userfiles/file/69373485811.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8b694b6ce---43602867266.pdfIn PDF document text
  • http://thenext.pk/userfiles/files/63011390650.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/3ee0fc4426f4d9060b41ff22887aac49/lezapevinuwanokobis.pdfIn PDF document text
  • http://heathrowairporttaxi.website/userfiles/file/rerixinowoluk.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/file/dejiwesaguwoxipiwumalanuv.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/nizerirabagarevejalafab.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608373485d0eb---19045360965.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff60ece779---xogipumipegobiwakupeganat.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a39cb2ae7e8---94519724651.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/q0kk0inu88u3hcceak9u7mgne1/lenazaxulorokixavus.pdfIn PDF document text
  • https://tmtteks.com/files/mojibupado.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/e9f86f00683780a319a4250f7bfdc6a7/lejurow.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce7a64d993f---27630600811.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210719_D5484D7DB148BDD5.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/bemofazegabexatuvumumix.pdfIn PDF document text
  • http://csc010.com/userfiles/file/20210826193717_1atx3k.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/zepalomaluliwu.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/ec89e64c69ff0f8d4a4076289ad8bd6d/jinenalugerasozi.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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