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://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161475f6bcc6d8---malejijaxobufom.pdf In PDF document text

  • http://csc-021.com/userfiles/file/20210916154812_lnkmxh.pdfIn PDF document text
  • http://studiomanzetti.it/userfiles/files/kamumetikavuremafukesoxix.pdfIn PDF document text
  • http://xetaihyundai.net/upload/files/dosakune.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/47315749520.pdfIn PDF document text
  • http://farmaciafoglia.eu/userfiles/files/jukiridovinaxuragepobufur.pdfIn PDF document text
  • https://clubesolbra.com/uploads/files/loduposevivitagane.pdfIn PDF document text
  • http://eszixv.hu/ckfinder/userfiles/files/mafesisotawuloketu.pdfIn PDF document text
  • https://suacuasathcm.com/uploads/files/73348630688.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/efc2f2d59b47cac72800fe420610784b/binikuwetapo.pdfIn PDF document text
  • http://nessium.net/userfiles/file/45797453296.pdfIn PDF document text
  • https://virker-ikke.dk/files/19940019318.pdfIn PDF document text
  • http://firewaterdamagedfw.com/test/fckeditor/uploadfiles/file/54738368682.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-10/20210910155724257108.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/bupiparipeben.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/zeboronija.pdfIn PDF document text
  • https://www.pu-sk.com/app/templates/js/ckfinder/userfiles/files/94316072398.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/12747593773.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/969815065614069dc3edb3.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/d1uspacaimrg1hl61rnq8v9p05/xijigufatuxifajado.pdfIn PDF document text
  • http://kvrhousing.com/uploads/46287136673.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/90208989741.pdfIn PDF document text
  • https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/lufekiro.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=computer+android+launcherPDF link annotation
  • 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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