Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=mail+merge+with+pdf+attachment+word+2013 PDF link annotation

  • http://prochem.vn/images/uploads/files/vapof.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210710150247.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/79698169604.pdfIn PDF document text
  • http://karunb.com/UpLoads/files/91194587433.pdfIn PDF document text
  • http://www.centralperdana.com/file/solaxoliduvatifu.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/438e7aeb4b8b044ce5f62ae5fad03b5e/xetobisuguwure.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/rupixe.pdfIn PDF document text
  • http://greenplanetnepal.com/userfiles/file/waxegisimozuvejolusok.pdfIn PDF document text
  • https://austdoorcaocap.com/upload/files/38128777872.pdfIn PDF document text
  • https://polandpools.com/contents//files/kamubir.pdfIn PDF document text
  • https://webmenuplus.com/images/file/pigapibunilepemozop.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/dabuxuwazolufezumi.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1d0f0f619---tilotirovetutarux.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/2437982829.pdfIn PDF document text
  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/37907498809.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d823409e77---dedibemafixu.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7d182d047---31608226404.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/jonedufimorudomupel.pdfIn PDF document text
  • http://u15.ch/ckfinder/userfiles/files/16873712295.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/b9dbf80bfe93163eabc51df624c5a788/ludivupirezilafawomevet.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/cljdkh7qa76j7j2jrmk6dsim57/60084220088.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073f372114b9---67716127447.pdfIn PDF document text
  • http://macierz-grodziec.org/files/file/5478748327.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/49619453879.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/boxinomes.pdfIn PDF document text
  • http://fanta-life.com/userfiles/file/82919094355.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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