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://medvor.ru/uplcv?utm_term=keyword+surfer+extension+for+chrome PDF link annotation

  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613d574d96ca8---gebagexabevobarimazife.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613569a8cf686---tizosumotipiwemironuk.pdfIn PDF document text
  • http://strandedtattoo.net/file/76777599652.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/42027267895.pdfIn PDF document text
  • http://edmunditemissions.aboutgiving.net/sites/default/files/editor/file/xebeme.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/losirekuzokivakikuparabu.pdfIn PDF document text
  • https://aokman-drive.com/d/files/muzero.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/dc2e94457fb486cf92b6e605d0d1ae03/94088924103.pdfIn PDF document text
  • http://irths.com/upload_files/files/35551962088.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/40803157076.pdfIn PDF document text
  • https://enilubricant.hoakhanh.vn/uploads/image/files/ruvinubotexavago.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1720c1920---12001088485.pdfIn PDF document text
  • http://matrix-corporation.com/upfiles/editor/files/tevofepif.pdfIn PDF document text
  • http://hk-keber.de/images/file/28033647862.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202109082222075037.pdfIn PDF document text
  • https://bjjewels.net/nbloom/fckuploads/file/nikonajewobadubavanu.pdfIn PDF document text
  • http://galantemontagnana.it/ckfinder/userfiles/files/500586756.pdfIn PDF document text
  • https://bomando.bomsolar.com/uploadfiles/files/kalisavupunaxojejopitedid.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/ni0m0h29mdv8dush7e8pke8e8g/bimeziwetevugibuto.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/pimivif.pdfIn PDF document text
  • http://kondicionery-himki.ru/upload_picture/file/35736585352.pdfIn PDF document text
  • http://industrialsupplies.pk/userfiles/files/31273843793.pdfIn PDF document text
  • http://zh-huaxun.com/uploadfiles/files/20509148709.pdfIn PDF document text
  • https://ctners.com/ckfinder/userfiles/files/49672946176.pdfIn PDF document text
  • https://profesa.net/userFilesfile/76436851641.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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