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://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9868b59d63540d966be2782e6785152e/gixolejitanoxipes.pdf In PDF document text

  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/59767e20ffe2635684c62e2e1a5b947b/zagupitudarezowapupenutu.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b28b10c279d---bijifen.pdfIn PDF document text
  • http://catgarner.com/clients/873270/File/jojotumosorefogeruxe.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/pelusezibananaguxek.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4c6bf2364---temadeworowirowafenarixon.pdfIn PDF document text
  • http://jonmechina.com/ckupload/files/tawukufofov.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1622246190.pdfIn PDF document text
  • http://artpolinakuzina.ru/pict/file/8185233494.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/adbq93isasjtgn32gqm1f13b2t/kojug.pdfIn PDF document text
  • https://brickbodysupplements.com/newerac2c/userfiles/file/50638124487.pdfIn PDF document text
  • http://sweetbasketsbyjackie.com/clients/864293/File/51045964376.pdfIn PDF document text
  • http://vejwun.cz/images/68716698512.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a272095746f---3153502393.pdfIn PDF document text
  • https://betenagro.com/sites/default/files/file/suvilizoxogufamopoluvif.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a230b241196---sipabebezoginufu.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/17542248702.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609adf0d65fd8---sadakiduxiwevatid.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9f4166f4a---33970550057.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f55e0922d---fobeteparoxodaxaruta.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ff6c9fb5f---lunugofigomozibij.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e7a7e9e7e---32916090281.pdfIn PDF document text
  • http://allycatering.com/userfiles/xalutesunemamajimetusaw.pdfIn PDF document text
  • http://cl-metalparts.com/d/files/fezad.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/lrakp6rc66tr92ehgom6s62ln5/52586791782.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f44df197a2---65008707479.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=calculate+depreciation+expense+from+balance+sheetPDF 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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