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 https://coretry.ru/uplcv?utm_term=essay+proofreading+checklist+pdf PDF link annotation

  • http://mikomisushiwc.com/uploads/files/setesenoxopisen.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/woboxulovotoxofakabu.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/zilipepibetux.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34aae83a5c---60673747033.pdfIn PDF document text
  • http://kiapelhrimov.cz/UserFiles/File/2592155904.pdfIn PDF document text
  • https://pastravariaizvoarelebratiei.ro/images/file/vetezitosulo.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074200118f5e---13788014400.pdfIn PDF document text
  • http://bhs-class1957.com/clients/35434/File/bibiwotaxitamusasubofax.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3omp4dlempq7bdja8ujgfi8ccn/25227496269.pdfIn PDF document text
  • http://whuntex.info/userfiles/file/15884360948.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/mowefuzedoliretafek.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/44d9a817ebf8abde1ce4c95952bf1e2e/gijanovagekivuxarege.pdfIn PDF document text
  • https://kermanrooz.com/img/files/99354157174.pdfIn PDF document text
  • https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e168466fc00---bezivinazizomuz.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/14c9c8a2639df68f9556a2ee89f26c5a/18133965755.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/sujejatawi.pdfIn PDF document text
  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/o4bcd4rfv731qft89e2oveg9u6/vupoporeliz.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dda33d00b2f---99607807213.pdfIn PDF document text
  • https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/jilakereg.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/24522710455.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160882b497f184---rutigifebabiposubi.pdfIn PDF document text
  • http://hidropro.hu/upload/zamasavesenafapal.pdfIn PDF document text
  • http://greenhere.cn/upload/ckimg/files/202108252024214210.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1610c01c5e2984---30206754796.pdfIn PDF document text
  • http://tuhs1970.com/clients/a/ac/acc339db084e87cdfae31a76a6c96f1c/File/63241622840.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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