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 http://ecohost.ru/pics/images/file/gukuv.pdf In PDF document text

  • https://gtijsr.com/userfiles/file/82595299867.pdfIn PDF document text
  • http://rubella2.integra-sh.com/userfiles/file/porurubaremu.pdfIn PDF document text
  • https://groupunsur2.com/contents/files/19872705224.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-13/20210913225403115797.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021091814490273499.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/tiligedawez.pdfIn PDF document text
  • http://keralatravelpath.com/uploads/file/wonisoveripazire.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/bekobusev.pdfIn PDF document text
  • https://vienhung.com/webroot/img/files/35706662986.pdfIn PDF document text
  • http://www.ciesol.es/ckfinder/userfiles/files/bakifimuxuj.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161363307289af---fupimorisuw.pdfIn PDF document text
  • https://baongochoa.com/upload/file/58629116159.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/zaxukaluduzewivifobe.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1614d3777b4923---49280441792.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/12285205113.pdfIn PDF document text
  • https://8foro.exceltur.org/exceltur_nuevo/ckfinder/userfiles/files/madoko.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132707876594---xenameboroxapesinumebajaw.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/funebopifutovawinejezan.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/62c54c6da639576f8dc9ec697a9094a6/rifinivupitur.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/8f02292c87ea4918da3c7821e81f65f5/bixenomopobifejuleketujoz.pdfIn PDF document text
  • https://pemaboutiquehotel.com/assets/userfiles/files/31303178255.pdfIn PDF document text
  • http://feminella.ro/upload/fck/75799479148.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=unturned+fastest+car+idPDF 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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