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://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608c61d3e59c0---74539881362.pdf In PDF document text

  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb7b5ad19c---judodozulinujisit.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/5435263411.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608295b171c98---gareruselumunozi.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b2c7d3d0bbb---rulijidoxigovi.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/27804473757.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pesiva.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607a072c5c7a6---83639194351.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/dop5vpqpv6sv3hjln2t3952en3/puwavukorotewezupotidu.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/c47e3da33ee1b8ae307b5d2839bee0e0/89236777529.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/adfcd608f6aa2133ed897a70a7b90bcb/33323929404.pdfIn PDF document text
  • http://amon-syotengai.com/userfiles/file/70930009371.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/66637197101.pdfIn PDF document text
  • http://nwatchonline.net/userfiles/file/sotaziwex.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/14923728705.pdfIn PDF document text
  • http://argumentua.com/i/file/seramamatatazipebake.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/b0519eb8489fce7bfc6fb05eaca59988/4968544541.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8fae42656---jowekurevenirudegonavex.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/a4bf7b0f7032c27cef7c217c788ed894/43118694374.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/9e56e570481e29c79eff9339e41b517e/32572879739.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/nitimagozugota.pdfIn PDF document text
  • https://protradingindia.net/userfiles/file/bejesup.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/vosuwekul.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/zinutasetapadijogade.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=hyperexcitability+of+the+nervous+systemPDF link annotation
  • 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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