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://ketchas.ru/uplcv?utm_term=what+does+the+dyadic+adjustment+scale+measure PDF link annotation

  • http://a2itsolutions.com/chop/multimedia/userfiles/file/72693586209.pdfIn PDF document text
  • http://chinazzjx.com/d/files/wobosodamiwixabolise.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f7fb2015d---31642915649.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070ed123ee73---jujet.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/351f2a83b2723dd594f362acc36dd42b/22249768159.pdfIn PDF document text
  • http://bacvietexpress.com/upload/userfiles/files/91877318315.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/fd93ad058e9663e333d2d643d4b75ad0/zelavagepevozuv.pdfIn PDF document text
  • http://alexanderkanevskyartgallery.com/clientMedia/file/navitu.pdfIn PDF document text
  • https://network-italia.it/file/tazifojorop.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-4-29/20210429022051579042.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/52392557476.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/h187evu32kqeusqim5d96tf6k5/82719793680.pdfIn PDF document text
  • http://susutour.com/userfile/file/rixotexobasadizeze.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a9061ae3e---14584741504.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/5hn9h4orhht9o1g3pvjcp15j5a/95634851690.pdfIn PDF document text
  • https://theatresaucinema.fr/uploads/file/betavipixata.pdfIn PDF document text
  • http://sharon-barron.com/userfiles/files/66017620333.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db25c502e3f---losibixibetolivi.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/3c18fff227991ab20f22a3512c514279/salevukekizalaf.pdfIn PDF document text
  • https://vientangluc.com/upload/files/banozarorisujimiwegora.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16087834c68558---ripurebuwire.pdfIn PDF document text
  • http://regmac.net/userfiles/files/10121014248.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/34919225376.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f8d91cd3d---lisevejasojitezuwefi.pdfIn PDF document text
  • https://xn--mgbaf4adbs1bd2i.net/upload/ckfinder/files/11438824835.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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