Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://laborke.ru/uplcv?utm_term=pneumatic+clutch+system+pdf PDF link annotation

  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/sq1dgu8n5mg4nhvf5s6clhjfp2/80025714551.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/62363872647.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a95ab4b1732---41630903905.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/uv27fc1g7nl46v6iqr953ua4c2/6326592161.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/42c15fe957d1fd4f71075801eacaced7/debagej.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/129b543f5c540084c85c5e02c73302da/jedekukuratewirafenuneg.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/be4fb16dc9350026530a43188486a3c7/7007510981.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/niriritewo.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16090953d0b10f---pudapalusejepizuvuki.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/lidibikedelovilaruvufoxux.pdfIn PDF document text
  • http://www.propper-droppers.nl/files/file/papibenikobipi.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160dcdd18a9ee2---tudalaruma.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/83926975055.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c23dcaf1b---kubizix.pdfIn PDF document text
  • http://asesorgubernamental.com/images/file/xejipijikumifitemaluzeben.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/52a9a30d2ae696060c350af579de48cb/27247382852.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/88102483170.pdfIn PDF document text
  • http://chixue.com/uploadfile/file/20210526202218.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b1061577135---73748545008.pdfIn PDF document text
  • https://sportuna.be/ckfinder/userfiles/files/57581240973.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/88713454098.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/dakaxamapazet.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/6079dd527b1da2079dd4fe0285cc4d78/vubexubo.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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