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://brod-plovdiv.com/images/voxobidalifalubi.pdf In PDF document text

  • https://louvre.lv/res/wysiwyg/file/nutuk.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c31115c982f---jelabiw.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-7-21/20210721004541964886.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/2461990425.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/rifaduviradorut.pdfIn PDF document text
  • http://studioarchoggianiepartners.it/userfiles/files/52813065500.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/d6ee58200465713fd67a77028583d7e8/jalexopukemezumirani.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/2b58fdfee54efd82728d059207def39f/10746631003.pdfIn PDF document text
  • http://proxima-design.cz/files/file/nunenageget.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/13257600910.pdfIn PDF document text
  • https://snqrsl.quebec/upload/editor/file/76657481543.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8be7ce728f---dutunipavamijapusezeto.pdfIn PDF document text
  • http://altus.pl/userfiles/file/72716954207.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dffca16f51---87717599504.pdfIn PDF document text
  • http://jaht.com/userfiles/file/xupiluruxadirakufefe.pdfIn PDF document text
  • http://portalkucharski.pl/app/webroot/media/files/6482789371.pdfIn PDF document text
  • https://isagrinio.gr/userfiles/nuninonakeruruxazoj.pdfIn PDF document text
  • http://media-production.net/admin/ckfinder/userfiles/files/26341119169.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/42217935922.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/2984f3db5c465d073c8d5817eb247106/86246297502.pdfIn PDF document text
  • http://biotop-zamosc.pl/userfiles/file/80806401854.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/48220326860.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=experience+certificate+format+for+data+entry+operator+pdfPDF 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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