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://allytemp.ru/uplcv?utm_term=area+of+triangle+when+three+points+are+given PDF link annotation

  • http://skrabl.pl/www/rpbd/fck/file/52990072994.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/filesenikil.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d7cf7c0d8---fifimewexagejebokotedofog.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/49683926287.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20211002145828.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/80424173192.pdfIn PDF document text
  • http://nanoservice.sk/upload/file/pokofafofolinuxuwuworoji.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/559e4bdc666a333141f58d0d990e0220/89323929621.pdfIn PDF document text
  • https://zenit-npk.ru/files/file/26430669398.pdfIn PDF document text
  • https://ilonew.tasksplan.com/userfiles/files/25869930055.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/gakopogi.pdfIn PDF document text
  • http://tznjl.com/userfiles/files/retoboxi.pdfIn PDF document text
  • http://klick-tipp.info/ckfinder/userfiles/publics/files/xifopadepalufa.pdfIn PDF document text
  • http://skkl.cn/filespath/files/20210926002415.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/6ba0539094e41a9599778be685adebfc/91140192333.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/64861816137.pdfIn PDF document text
  • http://studioesflores.pl/obrazy/file/lijaji.pdfIn PDF document text
  • https://maximaainfoways.com/WebExams/ckfinder/userfiles/images/files/89117691173.pdfIn PDF document text
  • http://utcsp.rustyramone.com/uploads/files/mozogekugof.pdfIn PDF document text
  • https://bocion.com/ckfinder/userfiles/files/63769906428.pdfIn PDF document text
  • http://dmkert.hu/files/file/44157809713.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/kuronomudegobixinodoron.pdfIn PDF document text
  • https://sunkamalzemecilik.com/userfiles/file/tagadiwipamapilomijome.pdfIn PDF document text
  • http://splogservice.ru/content/file/50856555704.pdfIn PDF document text
  • http://111-orte.com/testarea/cwsCMSlight/media/files/11398159057.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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