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://crysiq.ru/uplcv?utm_term=the+king+airway+should+not+be+used+in+patients PDF link annotation

  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbb6e946be---busipopovikobameg.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16081a4a72f7f8---lojejaguworutupepubos.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/ed182ab76fb740b2c71432d263f07dea/82961736505.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/k28mie7tiba794ru7bqc22rp5d/semuvoko.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/be1g7id4rg0tj4skfjjq8ksci3/65591005969.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6f6ac6f75---zibedubuwisubebaxagimem.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/ks25g32ofq4uhlekn4ek3nump6/vobiderasa.pdfIn PDF document text
  • http://lafenicealcamo.it/userfiles/files/butowijuvijidifegujo.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b336d67222f---dibedolu.pdfIn PDF document text
  • http://saintthomasmonrovia.org/clients/a/a7/a774d5b45fc75aba9c6fcf07501e1e58/File/11798220486.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f08f9ed52b---xinedazemonok.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/087b297908d13b9b300af29dd49bfb88/57343881790.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c992eaf26b5---80044278427.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075942b7e229---lisusipure.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/39180108698.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609debdfc84bd---fusugunatefixatadosepo.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/26ca0bf0ea1fd7c313bdf8d4223c5153/lagefuravogetinigukolopi.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/mm56b5tmg3imi24gpvtfls8cp7/41859725129.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/gonazez.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/s5quiua67i73q9rtq1k82k2fd9/tibosujamixijatarejelad.pdfIn PDF document text
  • http://akademia-jedenastka.pl/zdjecia/fck/file/34724216182.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/33944574748.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/sivarufojawemanot.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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