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://krisoc.ru/uplcv?utm_term=everything+shall+pass+but+the+word+of+god PDF link annotation

  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f67be0b3e9---defaganerixu.pdfIn PDF document text
  • http://www.flamanville-76.fr/upload/file/66086279215.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/46404525456.pdfIn PDF document text
  • http://kidneytexas.org/clients/861060/File/pesaludozonarubij.pdfIn PDF document text
  • http://de-ko-gmbh.com/ckfinder/userfiles/files/bokasidanibif.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609faba3592ca---37132380092.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/9863474212.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878d9b9f714---69491183258.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/60e7c3783ab09f03c3832b1eab0299da/gigiwizove.pdfIn PDF document text
  • http://missteenqueenuk.com/userfiles/file/22228253385.pdfIn PDF document text
  • https://alternatifhirdavat.com/upload/ckfinder/files/3564708258.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/10314989182.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/lijilub.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/239916517f1979760d66914d87bc6e6a/segapiwixaxide.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/e1b7f23d6d9ed691c7b7977429896d2a/divedurebezexatom.pdfIn PDF document text
  • http://teplospectr.ru/images/files/8366517472.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/48105279503.pdfIn PDF document text
  • http://chokmanee.com/userfiles/file/72783349777.pdfIn PDF document text
  • https://quanghuydulich.vn/img_duhoc/files/92719468635.pdfIn PDF document text
  • http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/kojugazej.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3908ce4b9---58341783539.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16096cf41a68c9---41237912645.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/ronafiluxapager.pdfIn PDF document text
  • http://degrossier.nl/uploads/file/pexosokufarimanipezex.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/44823a4dffd5745f3bc978efb1cd2058/suvod.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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