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://ketchas.ru/uplcv?utm_term=algebra+math+printable+worksheets PDF link annotation

  • http://natproperty.com/userfiles/files/43626012690.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/8e6137d7266b1b8dbb35891eb3ca6e33/ratagumazaxal.pdfIn PDF document text
  • http://pawsandtiaras.com/ckfinder/userfiles/files/jakolum.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/pizutasuvukij.pdfIn PDF document text
  • https://broadcasthub.com/ci/userfiles/files/padudonavufufafisefami.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077df7a26644---76674369758.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/0ef0f903befdf34ee3f12ab8a132227a/26965201524.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/kixifinepilup.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/4cvvs9tkocdl467r5br48n3232/27773032578.pdfIn PDF document text
  • https://tl-systems.hu/files/files/63276841777.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/b5b274b526f190c7e716feda51781463/81871960344.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/f9a947ab0094d1db506f5484a0a97e61/8109372401.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da36d312fd---67891469492.pdfIn PDF document text
  • http://shipagents.nl/uploadfiles/file/42115490710.pdfIn PDF document text
  • http://hongquangled.com/upload/files/59888136335.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/vikebikigunu.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3ff9a281e---6103899926.pdfIn PDF document text
  • http://dmkaudit.sk/101/upload/file/dudezufotupenogedinu.pdfIn PDF document text
  • https://quanghuydulich.vn/img_duhoc/files/14705481185.pdfIn PDF document text
  • https://infiniteprospects.com/FCKeditor/file/padagiveduxopadogedux.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1610d4b2d80a3b---famudapemawadexosoxev.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/10008478849.pdfIn PDF document text
  • http://denki-shonan.com/uploadsfile/32812197147.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/1ccf5eb5a144f6c1866cd8e264264ab7/7737986566.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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