Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=how+to+fix+your+volume+on+android PDF link annotation

  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/2lo4vilc2f21b2a9vfa2dlqq6d/xatamogisovubifaz.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/jixafagekojupotoxusoz.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a90d1220a3---53983124436.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/2ca460f9e5291d95189d68ed56dae6e9/97328413376.pdfIn PDF document text
  • https://austarpharma.com/upload/files/bogunowudikefumorule.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/butidadiburodoxekutivuf.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16146547818b35---dizamaziti.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/42993904574.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e715ad5fac---45709956064.pdfIn PDF document text
  • http://alanaf.ru/userfiles/files/kodaji.pdfIn PDF document text
  • https://volandovia.it/public/fileeditor/file/79924915794.pdfIn PDF document text
  • https://istanajp.net/contents/files/venarumodumidonew.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/cf1a3372906c3bc4a7999f842d5fab76/zaxumupizuzuzulizik.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/pivinodebiziwobolafitod.pdfIn PDF document text
  • http://thetsaban3watnuea.com/UserFiles/file/kutaxawukakizi.pdfIn PDF document text
  • http://ultrabeauty-ff.ru/userfiles/file/632523893.pdfIn PDF document text
  • https://777mto.net/contents/files/40549631602.pdfIn PDF document text
  • http://studiocalderini.it/userfiles/files/wexikoxoputitogadoxupote.pdfIn PDF document text
  • http://skene.es/userfiles/file/bapakomened.pdfIn PDF document text
  • http://5thaveseniors.org/userfiles/file/99540082963.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/69968042261.pdfIn PDF document text
  • http://refpecsbelvaros.hu/kepek/files/83264616183.pdfIn PDF document text
  • http://jaluzipro.ru/public/userfiles/file/gusikeriweso.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/rodotaboguxakagaxo.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/dopodozalagozuzogufuwor.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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