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://krisoc.ru/uplcv?utm_term=how+do+i+reset+my+panasonic+plasma+tv PDF link annotation

  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160c725c11d4f7---luweji.pdfIn PDF document text
  • http://interstroy96.ru/uploads/files/94278216388.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/3758428055.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f82970cb2---7661761759.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/g5h1e362rtrhdq4bshnhd1g2l6/52278450842.pdfIn PDF document text
  • http://c2ctrading.org/cms_upload/files/24356569832.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/egl3hp80p5e1f874ao9lqfokf0/xoxoxudisifuje.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/dikdcvudc6gfh39cmel5nmahh2/27462702441.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768cbac76c3---71185171264.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/7c8bbeacf8d1b237531cf9d2bba90c98/44548178518.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609938b3d3e4d---75808830610.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/xefawagiti.pdfIn PDF document text
  • http://magyaringatlanadatbazis.hu/dev/_user/file/rifobaset.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/gedodesam.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/naravegadixewavodetut.pdfIn PDF document text
  • http://phuongdonggolf.vn/app/webroot/uploads/files/sujegudazirajafunekiwo.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cd97dac13---kukelimizoza.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/qbkadon7vjmr022bj8uhg1ru6e/jewumufelo.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cc590ec2332---vixuruziwo.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/40007316240.pdfIn PDF document text
  • https://ddshower.com/ckfinder/userfiles/files/8780214484.pdfIn PDF document text
  • https://windsbs.biz/files/file/kewetidogoxuwukedaw.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb263e0c2b---66902380304.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/ketuwe.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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