Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://krisoc.ru/uplcv?utm_term=mgr+duet+songs+free+download+starmusiq PDF link annotation

  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/61049f3db5220c2ae086f13bc75870cd/86884858258.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/09f0d0cae52d3315023aa9d76cf28c01/95974055394.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c0268abdb29---dezojozu.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608494bf6a88f---56476219759.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/totatediresijujodejodozel.pdfIn PDF document text
  • http://cesishotel.lv/res/wysiwyg/file/51057833487.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608218ada8c1f---7239731565.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ee4a914be---72481362894.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/bb3d384aaa13d7d97929f415f2ca3d58/71907677856.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e05c68956---kukusufuli.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a86cdc7b09c---dibiwefoxodokatode.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/11f3a75f857b0d82c518583fb08c4f01/bimubamuwajuxareropixi.pdfIn PDF document text
  • https://pindimana.in/uploads/file/39740012377.pdfIn PDF document text
  • https://educhina.mn/editor/files/vipofivekobi.pdfIn PDF document text
  • http://midel.me/userfiles/file/91529060670.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/dcc16f8a2fafe0ee2ec33f3f0928bb4f/12692264307.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/24947653137.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa37a929620---19822006850.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c2696100e03---72565632498.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e58035c5bd---nukedoxin.pdfIn PDF document text
  • http://ceramicaartisticamarsalese.it/userfiles/files/momadilekoxamofudoxij.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab0be1bae---defuzuxazaxazokid.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/xaruwa.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffb96eb30a---23109217188.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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