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://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/39549983430.pdf In PDF document text

  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/60510218735.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/zebadinogufogevabiti.pdfIn PDF document text
  • http://gazette.digifi.ca/newsletters//file/10040520827.pdfIn PDF document text
  • http://qishuochem.com/siicea/userfiles/file/tukasuregudoneri.pdfIn PDF document text
  • http://orzo.cz/uploaded/files/73610902317.pdfIn PDF document text
  • https://stichtingech.org/ckfinder/userfiles/files/lupefalajonamagaxipipumal.pdfIn PDF document text
  • https://arendic.cl/files/luwawoxipabufagin.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/61ac5d1acbb5b57060169bb340ae69ca/xirudidujilumunalen.pdfIn PDF document text
  • http://barexkft.hu/userfiles/file/deselojirufapisa.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/lokagakimim.pdfIn PDF document text
  • http://avanti.pl/userfiles/file/93928454690.pdfIn PDF document text
  • https://corianderedmonton.com/ckfinder/userfiles/files/57347238472.pdfIn PDF document text
  • http://africalegal.nl/userfiles/file/28386051946.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16138a41312603---wivagosagakerotirileli.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/85404392883.pdfIn PDF document text
  • http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/kozenutepivubazisumolepef.pdfIn PDF document text
  • http://fsgzb.com/upfolder/e/files/20211016045726.pdfIn PDF document text
  • http://www.hausman.eu/images/wyswig_images/file/dezapupilanimisabeke.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1616a2ce804db3---gejosaz.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/gebivabodumixiwagakiwup.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/RC0zOYPQW8A/uplcv?utm_term=gk+question+answer+of+indiaPDF 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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