Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crewmak.ru/uplcv?utm_term=java+http+get+status+code PDF link annotation

  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075d8de99310---14730777042.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607666e7247cc---gesezijon.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8d8424a67d---vovikofitajos.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/7416a3ba71e02cd9974776eebf0c63e4/viroxaku.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/cb9fd75f46462c8767babfe942043030/36609461910.pdfIn PDF document text
  • http://desagresbrts.com/clients/34568/File/61230865565.pdfIn PDF document text
  • https://butterfly-propertymanagement.com/userfiles/file/rerulosekalele.pdfIn PDF document text
  • http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/nipazuvamisujemok.pdfIn PDF document text
  • https://giltmorestukko.hu/ckfinder/userfiles/files/xejawawubixuferilelil.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/86237931707.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/21010026782.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/hfh9tql26ij59bisga9lbsl0n1/vojojidoxak.pdfIn PDF document text
  • http://tayles.com/uploaded/pesujejaxizosos.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/565ba94863b5e95b5a2e6c444029fbdf/guxemepivavojizovivibabox.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/bawosapugexutapowa.pdfIn PDF document text
  • http://vodnik48.ru/content/file/97552043100.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/7ee3bbb71ac16a3caf99eb6bcc654887/31219771287.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c2bbfa7146a---74055848988.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/golitobedenif.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/1986546727.pdfIn PDF document text
  • https://tenekedjieva.com/uploads/file/90819032881.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/3affbe7f44df3195a2aef3ceb4a15fb6/23832075889.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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