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://coretry.ru/uplcv?utm_term=free+rebirth+harley+quinn PDF link annotation

  • https://holocaustresearch.pl/nowy/photo/file/6757798064.pdfIn PDF document text
  • http://xahuaheng.cn/userfiles/file/siguzulebe.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/jovepamadelovolazusof.pdfIn PDF document text
  • http://pazarziraat.com/userfiles/file/80659783513.pdfIn PDF document text
  • http://wildzipper.com/clients/wildzipper/userfiles/file/70876158378.pdfIn PDF document text
  • http://coral-travel66.ru/admin/ckfinder/userfiles/files/buwisifegizagimom.pdfIn PDF document text
  • https://lanna-flyingclub.com/ckfinder/userfiles/files/zekatavazixomunenolib.pdfIn PDF document text
  • https://majubesar.org/contents/files/29632049344.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/21507470340.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2bf23bb2126456146bb4884b93dacb72/98148759351.pdfIn PDF document text
  • https://kapefashion.com/files/files/12927368699.pdfIn PDF document text
  • https://toyotaautobody.com/ckfinder/userfiles/files/40620934710.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/67051461508.pdfIn PDF document text
  • https://trexanh.net/upload/files/86902325692.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/77044717268.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/63721619926.pdfIn PDF document text
  • http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/27907509830.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161359f00ceb6c---46074233371.pdfIn PDF document text
  • https://roshnaai.com/ckfinder/userfiles/files/lilid.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/punujawav.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/88906350752.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/ca674ed5f02d2d29edfd8c6eb78094fd/mexotivojosomuzibobula.pdfIn PDF document text
  • http://miyagi.chi-kara.net/Upload/files/37589310149.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/visebufexejasoruzur.pdfIn PDF document text
  • http://eco-building.cz/UserFiles/File/zufiwus.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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