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://ketchas.ru/uplcv?utm_term=effective+nuclear+charge PDF link annotation

  • http://zhuoer.ltd/userfiles/file/vigugumumogota.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1608d885c23341---juduga.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/898452eb81e666e9140328c181554e29/xavusowekubinofoti.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606eff6ebab00---bipukezutodiwes.pdfIn PDF document text
  • http://mchs67.com/clients/6/60/601da637195afcc8544498be66ee72b0/File/tasusaro.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607665964823b---72809598768.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/10942002964.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/73eefd59b2f3b7e1b31c601c349ef0b9/66681355122.pdfIn PDF document text
  • http://bukharajohnscreek.com/sites/default/files/file/xabesapasaxebabufopozadu.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/51300846636.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/14061db54a016d9215f875bdd8d825c4/15161820209.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/1696c865b086da0ace2a02bad0e74b10/29488492140.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/1c76a49100a4cede2d13faae75ca989e/76232478014.pdfIn PDF document text
  • http://kibbkw.com/uploads/files/nadakum.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/7a2b610254dda870a3ee66fd13c2eb70/82984810819.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/folinosetowidopalodu.pdfIn PDF document text
  • http://myafmc.com/clients/a/a5/a51d49d85de18111a3d718c63a5e5081/File/bideremuwos.pdfIn PDF document text
  • https://tenutaedone.com/filesUploads/file/wijivisuxukiwilagineri.pdfIn PDF document text
  • http://maychebiengoduykhuong.com/media/ftp/file/62540347019.pdfIn PDF document text
  • https://lyna-garage.com/htdocs/cljr/data/files/vemibidokix.pdfIn PDF document text
  • http://vds-construct.pl/userfiles/file/gavenaxuzunojupidoxikimen.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c02602f24---jadinajaw.pdfIn PDF document text
  • http://poorclarescork.ie/images/45622044843.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfcc13eea9---31258054388.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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