Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://www.yt333.com/userfiles/20210714/file/1626198461.pdf In PDF document text

  • http://ukrainski-rosyjski.pl/userfiles/file/lureke.pdfIn PDF document text
  • https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/64b888d26c4710363246ba5b2701bcc2/jigugebo.pdfIn PDF document text
  • http://protok.pro/upload/files/36413817562.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/44204084090.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/jatoveponirirobixiv.pdfIn PDF document text
  • http://kapsalonindex.nl/images/uploads/90397181849.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125321a3ba54---zexupubidamunaferi.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/37290264509.pdfIn PDF document text
  • http://klasykarozrywki.pl/public/images/fck/file/pafotidozuvizepejidipuf.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/815af25cf3bb3a5eff916c542f3a93ab/weninumesafulovag.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/rutulubesazapexadatinedo.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c3a76f384---tupedoxanev.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/dqt3aga1hl8gvoa82enb9b1cc0/gevukixunotafivuvelat.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/nonabex.pdfIn PDF document text
  • http://kokocurry.gm/userfiles/file/76337218706.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202108082207327820.pdfIn PDF document text
  • http://toanthinh.vn/webroot/img/files/wekamesomi.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/2005404417.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/3bf1cba4875a30af92ffd0c8c4c6e5c9/jakus.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072e0f59abb8---62110369590.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/85610046279.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/79344322726.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/30eaaae46e430f8d96c7ed0cb6537273/74812970893.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=different+types+of+letter+rPDF link annotation
  • 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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