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://huntic.ru/uplcv?utm_term=telecommunication+switching+systems+and+networks+pdf PDF link annotation

  • http://www.mbk-montage.nl/ckfinder/userfiles/files/90787687765.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c934ad8bdb8---32926753937.pdfIn PDF document text
  • https://shieldtech.cz/ckfinder/userfiles/files/bebaxesidibefimi.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/10087439304.pdfIn PDF document text
  • https://jetaime-shop.com/files/47976930964.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/nuroduvapebelobivuwa.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad96094b8a7---87629703319.pdfIn PDF document text
  • https://kawanmto.org/contents/files/62387529825.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/mjn7dojc2nioiivkthd2kualek/toxaja.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087856b888c8---40516987698.pdfIn PDF document text
  • http://grafiport.com/userfiles/file/xikeson.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/3e6efd4d4c428b320569c2e573a6f79e/kazosid.pdfIn PDF document text
  • http://nawooelcs.com/upload/userfiles/2021/08/files/210815052639.pdfIn PDF document text
  • http://shrlie.com/upload_fck/file/2021-9-1/20210901175159679953.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/30010112910.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/21965902636.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160def7286c444---19317643073.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/4136d72aaa54d85a8f3ada5e6f85476f/tiwevebapibolutejeb.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/9fdfd1c0e7b33a9e492c85a3c1e54067/muleruluzu.pdfIn PDF document text
  • http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/88514026033.pdfIn PDF document text
  • http://jessie.vn/images/ckeditor/files/41346728424.pdfIn PDF document text
  • http://princeverma.in/uploads/files/68672325361.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/0d84cb1f556a19f8f667440609991775/wopunoberuz.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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