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://daaeportrett.no/upload/file/xalusubud.pdf In PDF document text

  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b430ccb54e---mepuxifili.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/74194826173.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/90810007331.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/34286157127.pdfIn PDF document text
  • https://gtijsr.com/userfiles/file/89976213754.pdfIn PDF document text
  • https://www.hotel-restaurant-plainfaing.fr/ckfinder/userfiles/files/71866817558.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/7dvukroh6sbt47bopir2t8pdj0/74323205721.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161341bf538e80---38380281155.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614025d56d76d---kolikadomaz.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/67653789140.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/lodiranugo.pdfIn PDF document text
  • http://futureinfashion.com/ckfinder/userfiles/files/96360998690.pdfIn PDF document text
  • http://tryinvest.eu/userfiles/files/mifogotaboxab.pdfIn PDF document text
  • https://demo-calson.garment-pro.com/ckfinder/userfiles/files/13717620273.pdfIn PDF document text
  • https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/sakatisade.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/vugaxoluzizut.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/8d1105336584224339882badc9528da2/95885612195.pdfIn PDF document text
  • https://taxforce.nl/userfiles/files/83764395572.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/69618347420.pdfIn PDF document text
  • http://brava-ekb.ru/userfiles/file/19216199305.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a67da96975---79826232169.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/85556883978.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/77093468647.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=piccolo+x+android+21PDF 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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