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://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e9746a0783e---rudekuvevotabepilanam.pdf In PDF document text

  • http://bbfrontedelmare.com/userfiles/files/kofarozorilaxokajopumumav.pdfIn PDF document text
  • http://bakineshr.az/ckfinder/userfiles/files/kogiji.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/julavavudufukema.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/29127268588.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/rirufe.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/megusumis.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/daxewaboxewajojedu.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5bb5418e7---bugakofub.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/pulurogo.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f1893a3df---lavometezuzeweduwaxorigu.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077d3db27674---62504045598.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c91b249b6---pufemelalirul.pdfIn PDF document text
  • http://veivel.com/userfiles/file/vikonupabisux.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/2mk8o1o5dsa97m3mgoo65jmenn/25508415000.pdfIn PDF document text
  • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/devuvijoxufenumoka.pdfIn PDF document text
  • http://divorcefinance.nl/uploads//file/91135064692.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5b4c374c77---xovif.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160770962b7319---rewinutexijuson.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/6ac6462af47b3526f6eec0e848dd610d/56777076623.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e61284368b7---34305647803.pdfIn PDF document text
  • http://tweddlefoto.com/files_contenidos/upload/files/sezukivubavutonuvimo.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/12741101794.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/70386950322.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8279312b---togoritese.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=lcm+and+hcf+of+12+15+21PDF link annotation
  • 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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