Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://medvor.ru/uplcv?utm_term=5+properties+of+exponents PDF link annotation

  • http://studiotravenzolo.it/userfiles/files/ledabivadelexoxixav.pdfIn PDF document text
  • http://harckocsik.hu/userfiles/file/donevejokuvowoxofoxo.pdfIn PDF document text
  • https://dazhonghua1688.com/ckfinder/userfiles/files/70357421010.pdfIn PDF document text
  • http://plaschke-partner.com/uploaded/file/94908920371.pdfIn PDF document text
  • https://k31szmq42-nu28.com/contents/files/zokaweboxojonovivir.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/mudoj.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b11370439---96802404210.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/of77u4809fgerga824lkci8bo1/baninud.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff61beb94e---93506889208.pdfIn PDF document text
  • http://strandedtattoo.com/file/laxabarodoxasuluzu.pdfIn PDF document text
  • http://tomaszfilipczak.pl/userfiles/file/31088964982.pdfIn PDF document text
  • http://lumieye.com/userData/ebizro_board/file/nasezesunarula.pdfIn PDF document text
  • https://creativenursery.net/home/creative/public_html/ckfinder/userfiles/files/sumugofedonumiz.pdfIn PDF document text
  • http://sochi-riba.ru/ckfinder/userfiles/files/27709936300.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/5604172877.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/ab056e54ce620b4314fabb0db78728b0/84928860785.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e9a94d9e6f---4627545873.pdfIn PDF document text
  • https://eventpro-kontraktorpameran.com/uploaded/files/50907065409.pdfIn PDF document text
  • http://salman-group.com/userfiles/file/turoxabuvalizi.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/sixizagenomalesifominuzo.pdfIn PDF document text
  • http://e-baze.lv/images/site/file/59294359546.pdfIn PDF document text
  • http://draftingfloorplan.com/ckfinder/userfiles/files/dufenowirubuvoseruruluf.pdfIn PDF document text
  • http://arcstema.com/userfiles/files/82458044635.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/604bc9f0eb30df857089e72a92b21d6e/88790621777.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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