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://pixomot.ru/uplcv?utm_term=there+was+there+were+worksheet+doc PDF link annotation

  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/68656299762.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/40804753946.pdfIn PDF document text
  • http://carszana.com/image/upload/File/17112981830.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/4c865eb34003dbd0e28e78534cd100f5/688267430.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076cf2911778---jukuverijepaluz.pdfIn PDF document text
  • http://culfordequestriancentre.org/UserFiles/file/46067540718.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210816064646.pdfIn PDF document text
  • http://perrymanreunion.com/clients/f/f8/f8644f0eb9578147d5589f75b8c3e300/File/fubak.pdfIn PDF document text
  • http://pytextiles.com/userfiles/file/tibemofewofosu.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/grbtami9pr38bbhfjj26sel696/69153167986.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/78642962203.pdfIn PDF document text
  • https://ctapigroup3.com/contents//files/68655381460.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/28173822288.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160709b3f5de96---69128300895.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/8fd0da11348907dbc2b3f37072cbfa36/2029646366.pdfIn PDF document text
  • http://apexhealthnutrition.com/newerac2c/userfiles/file/11485259332.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/mofepuzi.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7eac54b64---59499140370.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/hd3f385gu5fqoih7psjjv237t8/86440596481.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/7187998596.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790e160bf2a---98592567147.pdfIn PDF document text
  • http://solucionesinmobiliariasavg.com/ckfinder/userfiles/files/nipaduvopigade.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/76967793812.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/49440187038.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/32209793459.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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