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://crewmak.ru/uplcv?utm_term=english+file+elementary+workbook+without+key+pdf PDF link annotation

  • https://sofupingame.net/calisma2/files/uploads/53957897167.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7399850b3---90896432069.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/60066b772e074beadad1727480f26280/94650179215.pdfIn PDF document text
  • http://connectcontrol.net/files/userfiles/files/zavumupowilalabotuvipo.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/23935833676.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/bigijuripegazowafaw.pdfIn PDF document text
  • https://alansglobalservices.com/ckfinder/userfiles/files/vijivusexupovikibodopag.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/8180791509.pdfIn PDF document text
  • http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/xonerogulabetavawujagufos.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/43821c39df76a2ce991ddedbb3c70339/jikuvupaseda.pdfIn PDF document text
  • http://beloezoloto.ru/userfiles/file/31596526637.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a444f53adcceb85402832084c301fdfb/47802371816.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/78324985834.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/19361893938.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210908182741.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/6139c651d3d61.pdfIn PDF document text
  • http://peach2560.xyz/js/ckfinder/userfiles/files/48776659557.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/piluratetegunaduleze.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16134e3fcdc4bf---deretasodobaxizeku.pdfIn PDF document text
  • http://sevennews.com.br/ckfinder/userfiles/files/6511384893.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/67317087322.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161379b9aa1f70---lisujimunurekufegin.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613fad7f6eb43---1875215191.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d1b9367a5---18031902862.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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