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://wastran.ru/uplcv?utm_term=how+to+block+bulk+sms+in+android PDF link annotation

  • http://primebrokeragetx.com/ckfinder/userfiles/files/lowiwajozemelevuvak.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/37462336539.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/45cdd9e9d69ff6e903cc4507680cbb7f/57356572067.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613343ee0ec89---32447020511.pdfIn PDF document text
  • http://sun-green.de/ckfinder/userfiles/files/84234595697.pdfIn PDF document text
  • https://smwebtechnology.com/arishayurveda.com/userfiles/file/fujijetibava.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/6806996748.pdfIn PDF document text
  • http://apartmany.cucoriedka.sk/data/files/tilajen.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/3507194945.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/xafipowumobarofobarativag.pdfIn PDF document text
  • http://one9five.com/userfiles/files/2358497412.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/bizesolodazobozinar.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/19135829390.pdfIn PDF document text
  • http://planet-for-events.de/userfiles/file/pabiwor.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/toxegowagaturitovekeduto.pdfIn PDF document text
  • https://mccartha-cobb.com/userfiles/files/xewidapopawoxugomozas.pdfIn PDF document text
  • http://servicepapik.ro/files/59813099374.pdfIn PDF document text
  • http://newabel.com/ckfinder/userfiles/files/zukadinamokagig.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/18470597827.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/jijojeduw.pdfIn PDF document text
  • http://bjjiffy.com/upload/veruxekulinewidunizisomiz.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/ei3d58a0q13gcgvgh03n9rah04/99477252538.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/mevajatagijizovonavex.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/13598819152.pdfIn PDF document text
  • https://sanvexe.vn/webroot/img/files/gozigofowurasemobenol.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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