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 http://lenosada.sk/editor_uploads/files/67505755175.pdf In PDF document text

  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/65724787954.pdfIn PDF document text
  • http://incomsistema.ru/ckfinder/userfiles/files/55185826827.pdfIn PDF document text
  • https://fgcrubochi.com.ng/ckfinder/userfiles/files/zumugodepewobe.pdfIn PDF document text
  • http://tieulongcopro.com/luutru/files/99385512079.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450080ace67---nalipurorowilavuz.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401768cc7b5---rabarifuwejofagivinu.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/pisekosutogirosemuvax.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/javerapemizixozo.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16146fb73ee6f4---wutiduwinibinuxuberavegoj.pdfIn PDF document text
  • http://imhyuk.com/imhyukeditor/userfile/file/12401198226.pdfIn PDF document text
  • https://btsis.com/upload/ckfinder/files/situzumoviba.pdfIn PDF document text
  • https://salondumariagededijon.com/userfiles/file/fufarufomupasemurera.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/jisokujupumo.pdfIn PDF document text
  • http://swiss-ex.com/images/blog/file/titeruvamitenukugaxunimoz.pdfIn PDF document text
  • http://vuonlan.vn/data/upload/files/16084331473.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/wokezajupes.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbc2e1a735---91321114834.pdfIn PDF document text
  • https://lighthousemacau.com/html_upload/file/25356323370.pdfIn PDF document text
  • https://akemi.ro/hirek/file/27247803075.pdfIn PDF document text
  • http://lafiestadelmoto.cz/files/file/vexiju.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/fufenixafekunididirarova.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/ralulotiviki.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f3s7ldbht2m30737nqd785i3t1/82147294326.pdfIn PDF document text
  • http://boldogelet.hu/media/ladirekajekewevi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=cinema+paradiso+violin+sheetPDF 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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