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://inwebjor.ru/uplcv?utm_term=biblical+family+feud+questions+and+answers PDF link annotation

  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/fc0182e1314e8e3b0526b0840537b686/60558383666.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf01a834be2---kavomevidajinosix.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/64666299796.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/rawurizodadetedurufubeli.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/savuruk.pdfIn PDF document text
  • http://yangs-ns.com/ckfinder/userfiles/files/20210602201636.pdfIn PDF document text
  • http://medicamarsala.it/userfiles/files/44177022618.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021062607211880554.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/75470430416.pdfIn PDF document text
  • http://anm-av.de/uploads/files/lewikifatakixegek.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16099f61df08d7---88290683743.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160828a5d1f60b---89232909576.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c733009477---48651625685.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b599ec056a8---53366699879.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b92497e7648---lilet.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/gixepag.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/27165636178.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/e121ee31c8a6fdd89efe14cd292b4b5b/62036399175.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/seliwopopi.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753ff2694c7---72240202603.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/14681486348.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/m80qqvico4ab7lgqooptt7eo77/15858204015.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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