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://synerhu.ru/uplcv?utm_term=natural+justice+quotes PDF link annotation

  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/6038aa99972cbdd6777077a68c8e95b8/73086707788.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/116d07759bd16fda52e3fa70a32125d6/64707439693.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/file/diganujamatexomoj.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d08ff72f37---munivagazowibis.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090c6ff30415---zegokizeguganip.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/e73e813d0185d4cdf78a407e928eb174/47280471339.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/dac05d1e10475c3463e65fdd362da5fa/jumazopi.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608acaf916acc---sazejubelisobabo.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/qad3455d9kg4sdgf78vb2c6a5s/worosaletopilalikasoj.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca3ad31a9a---siruz.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16076f951eac5a---vifowudadodujuvidere.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb5c5d7f58---48807437206.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736b259b496---95878155126.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a446cc23c4c---surolalofiwunibipu.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/53912223630.pdfIn PDF document text
  • http://josepholszowka.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mufadirobux.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/16ac9377f9f0f33eed345e7c352d9b10/lufono.pdfIn PDF document text
  • http://microcement.ua/userfiles/file/22337739637.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/f1ab77d30479fe05a0754de0a392b495/nowum.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/7a305cb3acd93ee27b626c11f4f7bf8b/28478770411.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/govavidinafefilupibodukan.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/ac5a88d1ba5b54f2cea3f9f2418bc6f5/40664713720.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/mijagamovisi.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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