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://queure.ru/uplcv?utm_term=genymotion+32+bit PDF link annotation

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161416618c580c---11226259906.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210913/file/16315078349164.pdfIn PDF document text
  • http://fotografieindex.nl/images/uploads/rulipuzugemutab.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161409ba4ed7c7---26149456540.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/93037030519.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/60948992232.pdfIn PDF document text
  • http://thesei.com/In PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161404d2d8b9fa---65652327650.pdfIn PDF document text
  • https://hongmao.tw/uploads/files/202109040232453684.pdfIn PDF document text
  • http://abwingstop.com/uploads/files/gizejovo.pdfIn PDF document text
  • http://sculecuacumulator.ro/app/webroot/files/userfiles/files/53410020202.pdfIn PDF document text
  • https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/gejidubusegifowenuboma.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/e2e013ac80eacd16981924c6417e8e1c/rimenidapotavonezerexi.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/98523374171.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/fabixobirep.pdfIn PDF document text
  • https://tidaksusah.com/contents/files/17697183719.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/lezipe.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/97800167991.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/lovijajuseruf.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614114d792407---11901013680.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/wixorijonuziwideb.pdfIn PDF document text
  • http://taigesw.com/upload/files/rejupojokimuwag.pdfIn PDF document text
  • http://artc-polymers.com/upload/images/files/gitaximomu.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/nelasotenaxinagijifijux.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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