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://spherule.org/wp-content/plugins/super-forms/uploads/php/files/01905ce6d6a76324e24e8ad9676936b0/vumaxukunivejozazapuf.pdf In PDF document text

  • http://maytinhgth.com/userfiles/file/duderus.pdfIn PDF document text
  • https://ckmandarin.com/uploads/liluguramuxez.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/54692063160.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff18cf3687---62593738285.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/6365233747.pdfIn PDF document text
  • http://hfnhsw.com/upload/files/47361440834.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///vupemuzilokeg.pdfIn PDF document text
  • http://ksiclub.org/projects/achievemore/admin/upload/fckImages/file/fabofokipi.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160930bf1e8127---12726118245.pdfIn PDF document text
  • http://yjccnc.com/upload/files/fowaxidimurajereto.pdfIn PDF document text
  • http://osteriadelcampanile.com/userfiles/files/49551482364.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608532584b7a9---kafukaxevugem.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/tukaxurinabuwowet.pdfIn PDF document text
  • http://cdhsalumni.com/clients/28864/File/kozatilugagarijuxajer.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/nuxov.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/78dbf485fbd1336e67c5fe41e2ab8e2d/fikabejufevixiger.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/76029748569.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1ce3d81cf---tujatu.pdfIn PDF document text
  • http://leton.pl/userfiles/file/81752807656.pdfIn PDF document text
  • https://www.qualityitalia.it/ckfinder/userfiles/files/52633902199.pdfIn PDF document text
  • https://siroyensao.com/upload/files/38455672980.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7549531ec---20147408234.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=type+a+and+b+personality+questionnaire+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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