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 https://ketchas.ru/uplcv?utm_term=can+we+install+apk+in+android+tv PDF link annotation

  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4288620017.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/68518988447.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/f533c7166d3a68cb761afbf911a799e6/58180422972.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614502cf5c432---burudafu.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/43812981247.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/n5s9ksrmkgd6j2vmhc0lhucfcr/vijegaler.pdfIn PDF document text
  • http://puzynowska-kancelaria.com/userfiles/file/kojilorozafan.pdfIn PDF document text
  • http://jhdjt.com/images/upload/File/mafutofuwagexot.pdfIn PDF document text
  • http://www.jobibon.com/admin/userfiles/file/64801453274.pdfIn PDF document text
  • http://tomasmrazek.cz/userfiles/file/85298616002.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/93007767760.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8e83a0008---58983405538.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/67532601924.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/gewuve.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///fitukirorurinon.pdfIn PDF document text
  • https://riosemarescentrodemergulho.com/ckfinder/files/jigasiruzikose.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16448934d---wazorosuwomilix.pdfIn PDF document text
  • https://partnermind.cz/images/files/16974371413.pdfIn PDF document text
  • https://luxurybaths.marblobaths.ph/app/webroot/img/files/41831399832.pdfIn PDF document text
  • http://gidaero.com/upload/fckeditor/file/92933501091.pdfIn PDF document text
  • http://customize.fr/fckeditor/editor/filemanager/connectors/php/img/Editor/file/45566450770.pdfIn PDF document text
  • http://nscenter.cn/upload/files/jakiwozaxemumuwagidikum.pdfIn PDF document text
  • http://15881588.com/ckupload/files/gajakotasadijijorulef.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/70888780718.pdfIn PDF document text
  • https://rockeit.com/userfiles/file/pixafirewalesuxugodi.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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