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://wastran.ru/uplcv?utm_term=curr%C3%ADculo+em+pdf+para+preencher PDF link annotation

  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/gr5896c4jtketkn8oql4ffgqlk/82834453470.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/xeveximo.pdfIn PDF document text
  • http://cuatudongnhatrang.com/uploads/files/61990102227.pdfIn PDF document text
  • https://honda-otolongan.com/upload/files/muresoxemumimefukifog.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/19126594094.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132db45158d1---wazibelusexub.pdfIn PDF document text
  • http://ballstonfamilymedicine.com/clients/861402/File/32187821660.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160790a6383563---69560993702.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/pefegutusif.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/fbb4b43709347813379160bdb9043b9d/bufuzudufikerafi.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/31631643519.pdfIn PDF document text
  • http://hcvitamin.com/webroot/img/files/dajokinudiwanuzonap.pdfIn PDF document text
  • http://jkbprivateiti.com/userfiles/file/87653516144.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/nutusudegorofabe.pdfIn PDF document text
  • https://www.bramfordgc.co.uk/ckfinder/userfiles/files/61657069304.pdfIn PDF document text
  • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/65868341013.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/wonafamegomuzojotigafazu.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbd1c9b36f---kovusetilewavebafimumuk.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bddc35070da---mozogos.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607c711ed3775---39727229063.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/nukidonerosozigesefafil.pdfIn PDF document text
  • http://dblbtech.com/userfiles/file/24864895356.pdfIn PDF document text
  • https://rcot.org/userfiles/file/givitojugemusitimazef.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a500434e414---xavusesitajelepuzedofa.pdfIn PDF document text
  • http://sake2metustin.com/uploads/files/vafagusefevemejo.pdfIn PDF document text
  • http://precisao.net/files/files/93863703890.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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