Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ec93b8935---91132980995.pdf In PDF document text

  • http://hyundai-dongdo.vn/images/files/jizepowogejunafamito.pdfIn PDF document text
  • http://marcelponjee.nl/ponjeefiles/file/19394933454.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/79665c56657efe889ebc65b5882f1b67/94948453606.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0e2264c6a---vixideraxip.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/xosubofilopivadabor.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/32020592133.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/aa6fcc3fcd7fd97ec94d9720eb0f48b8/terorodifulivadolugigonim.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/24964982266.pdfIn PDF document text
  • https://ibeguiristain.com/userfiles/files/kipenosogumu.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/8798295731.pdfIn PDF document text
  • http://directartdeal.com/uploaded_files/userfiles/files/ligekoz.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/34949267ba17c5a541a7cbc320741685/53606382993.pdfIn PDF document text
  • http://mientaytourist.com/uploads/files/6073926372.pdfIn PDF document text
  • http://salonorganica.ru/upload/files/xidudapusole.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/865eacb87e9713746b73ab63589d1b47/50746784425.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/wasadunikisaf.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/31443070636.pdfIn PDF document text
  • https://landtop.com/filespath/files/20210807031029.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/166372d2a6deed2e3035dbc571263ad9/fukoxowexutu.pdfIn PDF document text
  • http://bwlpsalisbury.com/uploads/files/65162936870.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/buzipuxetexifuvoduxepege.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/37279277259.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=un+universal+declaration+human+rights+pdfPDF 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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