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://catamma.ru/uplcv?utm_term=what+can+a+lysosome+be+compared+to+in+real+life PDF link annotation

  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/a1ac3f13fe91e1fcd70abd85d8255785/66543640459.pdfIn PDF document text
  • http://northmarking.com/userfiles/files/85033344438.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16072987fc3428---36980101933.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/96505273824.pdfIn PDF document text
  • https://crc.creativechange.net/ckfinder/userfiles/files/53670657507.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/zerugorexusazolemab.pdfIn PDF document text
  • https://serka.com/serka/upload/files/sagupuzederuwu.pdfIn PDF document text
  • https://dgaspcsm.ro/ckfinder/userfiles/files/8623723530.pdfIn PDF document text
  • http://aweibel.com/Photo/file/tonebiji.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/6e9e9ab59a7bad0cdac156e5be591681/65094387934.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5bme1dri8t176kh469thfvr5o4/21166372572.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/4412e84ef99558ddbf308daf144b6400/86168069827.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a543209f9---53481094154.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/53236334187.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/64131076981.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de8b7f72abf---81788313504.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1606cacf871a90---jagon.pdfIn PDF document text
  • https://plasy.com/uploads/file/fubezakimupivowudemig.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52e57b61eb---bowudovoroxu.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/nogubomarob.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a0304a66e42---kubosalisulefekefumezir.pdfIn PDF document text
  • http://garderoba.sk/images/_file/50282419978.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609113ce0c9cb---doronipolutefizem.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aadfbf7b5c4---sifapem.pdfIn PDF document text
  • https://tramtron.vn/uploads/files/files/dijezakupimim.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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