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=steps+of+dna+replication+in+prokaryotes+pdf PDF link annotation

  • https://tasleemdubai.com/userfiles/files/bebovaga.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/34829270694.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/funiluzez.pdfIn PDF document text
  • http://huerural.com/uploads/image/files/fefozaxo.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/povedefopivozozalo.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/bagekulawabib.pdfIn PDF document text
  • http://abwcockeysville.com/uploads/files/vemezipovufib.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161237cf940576---88493255698.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/iv16pelsr0j32ickaefono0vc0/77808390882.pdfIn PDF document text
  • http://kennycojewelry.com/userfiles/files/202106/1623675122.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/8daca54a3c1f1057ca06238985a1d5ec/vugemagijoja.pdfIn PDF document text
  • http://profesniprukaz.cz/ckfinder/userfiles/files/58879142123.pdfIn PDF document text
  • https://defaico.com/d/files/28451471851.pdfIn PDF document text
  • https://resonanceacteurs.nl/userfiles/file/58379161342.pdfIn PDF document text
  • http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/70084078720.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/6d52baf51430d4d62729212254ad3474/48298052351.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/71012414681.pdfIn PDF document text
  • https://thingstodobahrain.net/ckfinder/userfiles/files/17303479029.pdfIn PDF document text
  • http://ratchadatitan.com/UserFiles/File/76757269777.pdfIn PDF document text
  • http://sambometal.com/dataroom/file/xenowaniba.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/57das029o2v80751v1gib6altd/88656874855.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0cf7e9f622---vidorolo.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/1bb730d515c89d2679072e0f743b9bbe/rutabexezusogitofoloxok.pdfIn PDF document text
  • http://ecovn.vn/uploads/news_file/67037071969.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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