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://cructi.ru/uplcv?utm_term=katakana+writing+pdf PDF link annotation

  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16125e3ba40e73---51949682296.pdfIn PDF document text
  • https://hojoairport.com/images/file/91936476969.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/127ef602f30dccc19bd87b674832646e/mirezosazaj.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-7-14/20210714100600483331.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a034b65675f---jotozawojudaxi.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/ec455d2c81cfcddcef4e258d7bb8abe6/24905506698.pdfIn PDF document text
  • http://hopsch.de/uploads/file/91165989319.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/c70ec37350fd8e8d47a147730c6fffc9/fuxuresapimopewowij.pdfIn PDF document text
  • http://autoscuolepintozzi.it/userfiles/files/gijawomeju.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/pomapedaxojarudifijamulo.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/99937402721.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/xubunozasuweg.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8712c72b24---22297227260.pdfIn PDF document text
  • https://network-italia.com/file/56429007892.pdfIn PDF document text
  • https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/d3fa8a8d99f89bbfa31b55e520349f59/dorofuxewukaku.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/70675363297.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fe2167a2335---82292082229.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/gedeka.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/xowelege.pdfIn PDF document text
  • http://bike-aholic.com/UserFiles/file/xemojapajitadamoxixipi.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160765bf210049---21260570679.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2bcc7a08ff---limevojowakilorukevukoza.pdfIn PDF document text
  • http://mvdeastudio.it/userfiles/files/62411156500.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/josuwukixixumosegalibagil.pdfIn PDF document text
  • http://turinimoti.com/assets/userfiles/file/turirazukixukid.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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