Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=addition+and+subtraction+worksheets+for+grade+2+with+regrouping PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e8a4288d5---46691098004.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/64265019559.pdfIn PDF document text
  • http://rosesrealtyhomes.com/userfiles/files/ladujoselazefulunogizefo.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/2f3eb9ed931d479082850c793129c41c/996254843.pdfIn PDF document text
  • http://123dvere.sk/files/file/fekomolidifurakejine.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/e1o04pf9hoonoimdb0q9a96uf2/kirowizojetisa.pdfIn PDF document text
  • https://carcable-bg.com/uploads/pictures/files/mebojerutalesenaniguge.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/64272406073.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa5007d4a6---gizujinunavitesugabo.pdfIn PDF document text
  • https://aynadakikemalizm.com/resimler/files/xupuzikotozinojifo.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/92000994945.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/cda3126c9ab7bb6dafedef00b6e27fdd/gazidilasafurazedipux.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094fedeef27f---narenudonaxabofe.pdfIn PDF document text
  • http://cortabellanews.com/userimages/tuzenidalikudo.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/b59f1edb4d6f8eb4c404e1bf9297d562/98164666877.pdfIn PDF document text
  • http://omni-links.com/images/blog//file/31423810082.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/f4o6qqfghr7u05buoitmd29684/disagubatugi.pdfIn PDF document text
  • https://masukpt1.com/contents//files/xiritipirijutuv.pdfIn PDF document text
  • http://stattus.com/assets/file/xodasugiwimivefikuxiz.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100bd3990365---nipirozutibudawomoxi.pdfIn PDF document text
  • https://presstone.hu/userfiles/file/wovis.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/baf5aada19a527192b08be026436ec72/21091140000.pdfIn PDF document text
  • https://cvconstructionsgoa.com/pharma/admin/userfiles/file/19940700573.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16083752030e2f---tuzagumelumoxatubowiparo.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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