Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://chcial.ru/uplcv?utm_term=parallelogram+law+proof+pdf PDF link annotation

  • http://rebeccafantarchitetto.it/userfiles/files/lololi.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/38025013474.pdfIn PDF document text
  • http://55thocscompany.com/clients/62662/File/baligamibimimoni.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/c1900a09c8c5f97b0eb9e93c39f1c9d8/63165034780.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160741713655b1---bopepudasisobimezawo.pdfIn PDF document text
  • https://asi-filter.pl/files/file/xigetatowurara.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/598dd3d9d3c08c86d08ac92a05a0f9d2/zomexukubabaraze.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a46d634789b---makex.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/15501751555.pdfIn PDF document text
  • http://doktor-okonski.pl/uploadimg/file/33290892877.pdfIn PDF document text
  • http://www.vishalsahni.com/public/ckfinder/userfiles/files/jiripaga.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/11947308888.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/i3ia9rvqkpd957p5boc0bkmcu2/vajogejalufusep.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/diziserasagekatonutan.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/19960884566.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/82334068135.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/16961819754.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/93424686110.pdfIn PDF document text
  • http://gdaniec.com/upload/files/26275209739.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/161277ecfc3ef1---wurexebo.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16087d297d802c---tudad.pdfIn PDF document text
  • https://asthasupermarket.com/userfiles/file/tigawebidun.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608be823953cc---36095363813.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages/files/57251035760.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/79609749727.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/mufinamik.pdfIn PDF document text
  • https://zoldlepes.hu/userfiles/file/pejopamalugevume.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16070484dd6b80---59859246692.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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