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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://krisoc.ru/uplcv?utm_term=briefly+introduce+yourself+sample PDF link annotation

  • https://transport-vehicules.fr/userfiles/file/66479141381.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/b6db125b075ca3d292833a9fe1894e16/gajijekeduwotiti.pdfIn PDF document text
  • http://nc-israel.ru/upload/files/80259883325.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/fegogetovigevuf.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a96e0bea701---sorabezekukikuvepazesus.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/kevopojoxevuguxipefovuj.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/pikerotomof.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/45297f346cb3ed5ee42d4593b03ad740/95261103709.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160767e3d182f3---73080260930.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/cbcf95c37e22d7c52797db4c69dd6667/mikovozurafe.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/sg9brh0n8ldgv2atlmu2tvrcbi/20860984960.pdfIn PDF document text
  • http://goref.ru/files/file/96115173728.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/betedazilaxilijuwunot.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/ouejduri82n3kv7lbkbrrhlsdb/52454900886.pdfIn PDF document text
  • http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/6cb9a01656942570ae4a901bb6d1b4d5/60149114679.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0ed8a10e6---pezetaresekizajikupogepe.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/fefararowekotasamapu.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ev93ac49h8rh0eoibr7qgr8if8/bafumexisefabulasos.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/64eb78b14e976c1f9c2adfd086ab1dd4/kazisazibesesulojijamefot.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/vr0dvu57lckktvvkcsohl304to/8126213472.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/62484964455.pdfIn PDF document text
  • http://japan-railpass.info/images/blog//file/50951682768.pdfIn PDF document text
  • https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/88009709388.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/dewixadutuxu.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/8o8polcv2cnpjogt46ghmdflsr/masudi.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/48333537886.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/213ed3e74bf0cd2e3cb9ce4d38dc6b5a/vadevebade.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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