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://coretry.ru/uplcv?utm_term=exercicis+ortografia+valenci%C3%A0+pdf+1+eso PDF link annotation

  • http://faradbox.pl/files/file/67703238117.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6q7v2d23ej44fnmufu27c2js23/15954680173.pdfIn PDF document text
  • http://vejwun.cz/images/25957739045.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079f0f7bb508---kipifuj.pdfIn PDF document text
  • http://fotografiafrancescosomma.com/userfiles/files/felomexagusidepuluwazor.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/0dfe0b0d0615ae8db2de1ef7753e70ad/sigekeboxagin.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/a77ed47210e8e575e78e06f69a829699/15814598446.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c97c8f099df---tosamuw.pdfIn PDF document text
  • http://joewhitefamilysite.com/clients/59967/File/rorumen.pdfIn PDF document text
  • http://coniperfumes.cl/js/ckfinder/userfiles/files/kemijaximozirupux.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073155045511---50216010102.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/udc0pul4un97l1en4rst7t7p4v/defunit.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/69454595852.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/bb4c906f89ee47f470a6fbd7dfdee12d/87891176921.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/e8b39891831d22710f3e331af6fa5445/96322858295.pdfIn PDF document text
  • http://logisticsnetworks.net/ckfinder/userfiles/files/95454587414.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/de1e52f8c9a9253cf32703787ba78f52/40557638613.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0d7039715---tusenesibup.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/2b943df80c7c9ff7aab68390751c686d/nowozojupeluga.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/2f25756f9145b8eff9fb36d6589f2713/tipudeforekezifusurupubob.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/443aqq0vnou4b45cn6slgmbjf7/83853823869.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210530215534.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/vepodarixovifokinev.pdfIn PDF document text
  • https://chaplains-camps.org/upload_picture/file/41247618688.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/tozirunidolan.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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