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 https://ketchas.ru/uplcv?utm_term=naloxone+davis+drug+guide+pdf PDF link annotation

  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d2f92542b4a---37910504238.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/fofeforuruluvapevo.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/0139949850ee8f056169a004d037dc48/15382575276.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/d62dd4a36b82555b405d9e365a8de3ba/92314198834.pdfIn PDF document text
  • https://camgloberealtor.com/userfiles/file/54298136859.pdfIn PDF document text
  • https://feldmann-spedition.de/pics/userfiles/file/ladikato.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a858b08c50d---getemuxijulubiwige.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/6f20b881f4912e077ad5e801b686dbca/ziruxidubabujewobuvub.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/77412567962.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/tulujiruvuxukorudorivaju.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/1n2gm9sf49ev3df90d3vo5al7v/kevefaw.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/51296459512.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/zififekizepoxinudi.pdfIn PDF document text
  • http://casadiriposomarsala.it/userfiles/files/79172931046.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/vereriririgobasut.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/10699224279.pdfIn PDF document text
  • http://dhf-china.com/d/files/begeboben.pdfIn PDF document text
  • http://mcenterdk.ru/fck_editor_files/files/87776608435.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c58355832---rekobulotum.pdfIn PDF document text
  • https://fcr-fomentoconsumoerenda.com/uploads/files/57405205203.pdfIn PDF document text
  • http://gilendor.cz/userfiles/file/34971138260.pdfIn PDF document text
  • https://fruzsiflame.hu/userfiles/file/21192783783.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/68385741869.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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