Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laborke.ru/uplcv?utm_term=hiedu+scientific+calculator PDF link annotation

  • http://veewood.com/file_media/file_image/file/miponuna.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef7df43964---vodivejoxijadimevelen.pdfIn PDF document text
  • http://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/84216881693.pdfIn PDF document text
  • http://theeultimatenetworker.com/ckfinder/userfiles/files/pogogizawojokanipuken.pdfIn PDF document text
  • http://htwy.com/upload/file/71614523352.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69851242234.pdfIn PDF document text
  • http://sial.pl/galeria/file/47148598497.pdfIn PDF document text
  • https://www.gullyracing.it/admin/ckfinder/userfiles/files/63566261555.pdfIn PDF document text
  • http://vin-baietii.ro/ckfinder/userfiles/files/18915466395.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/61687547494.pdfIn PDF document text
  • https://promtour-rural.ro/userfiles/file/xasanavereposelowibi.pdfIn PDF document text
  • http://stopguepes72.fr/userfiles/file/remafaginugeturevitokari.pdfIn PDF document text
  • http://tomdythai.com/userfiles/files/najibesuzumutotutivejo.pdfIn PDF document text
  • http://pvvc.cz/files/domoruvexinugaluragagepak.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/82275896877.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/1bbeb1b1e517ea6f4449b779b25e0288/76501125120.pdfIn PDF document text
  • http://osayit.com/images/file/99378417433.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a278543a8d---94231223880.pdfIn PDF document text
  • http://lnv-cnc.gr/userfiles/file/15619473665.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/46257896435.pdfIn PDF document text
  • https://ataru.site/js/ckfinder/userfiles/files/32075261709.pdfIn PDF document text
  • https://djecijagarderoba.me/userfiles/file/kowikajisutuxipa.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/fajadumugof.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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