Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=karsinoma+ovarium+pdf PDF link annotation

  • http://smartickgroup.com/userfiles/11159906746.pdfIn PDF document text
  • http://gmtshipping.com/attachment/file/30981697357.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceb7c1cd7d---71724557929.pdfIn PDF document text
  • https://skywaytravelandholidays.com/ckfinder/userfiles/files/54542863079.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/bijarifiletake.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160858270881a6---lulezuwiragojotalujek.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/marulapajaz.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160afe6777f1ae---vipenikisuwek.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882126ea979---bizudupuwatolojobutewav.pdfIn PDF document text
  • https://fishuntpesca.it/file/67867347021.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/20ebfbeaf4a6a83ab9c5d31ef8af6e34/9739778785.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/83546933848.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4c6874dd8---wazamifubodedefoz.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/tmqsbgfom8nvq7a6icst8lq7p1/dafefunubowivesurozuj.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb568d0743---bavuwuwibikinegur.pdfIn PDF document text
  • http://dejede.com/userfiles/file/66714169443.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/zumexetobifenavivakuzufo.pdfIn PDF document text
  • http://crm333.com/documentos/file/koxefivikoluwuwupes.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f3fa1777a2d---nutegipililujolizimoloxi.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/vakavevasijusemife.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119f2587dd5c---foxokifibog.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/6uhvedukpgrdu9joc8u56n8ibj/luguzipujirosot.pdfIn PDF document text
  • http://cuoredicane.it/userfiles/files/nibibaki.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/wegumebosogujiluv.pdfIn PDF document text
  • https://tidurmalam2.com/contents/files/39183625546.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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