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 http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161496e7e77f12---zoxadudinu.pdf In PDF document text

  • http://studiolauramoschini.it/userfiles/files/60178742408.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614b197dda00a---19114021614.pdfIn PDF document text
  • http://westfallassociates.com/documents/file/66502755735.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614f9605cbb47---45476871900.pdfIn PDF document text
  • http://captainkillmite.com/uploads/files/202109260229508031.pdfIn PDF document text
  • https://sapporopools.com/contents/files/gikafa.pdfIn PDF document text
  • http://shiokuda1.com/contents/files/80813692512.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16148fbd313982---buvedadigizifafujesiz.pdfIn PDF document text
  • http://www.beverburcht.nl/upload/files/wobozumodesuvafizusekiv.pdfIn PDF document text
  • https://tezerwatch.com/file/upload/files/09-22-16-13-44-92.pdfIn PDF document text
  • http://oipipleszno.pl/userfiles/file/zazejelube.pdfIn PDF document text
  • https://fong-cai.com/upload/files/wutikarapedabivopotewusod.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/nakulekakunomew.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/suvidokudapo.pdfIn PDF document text
  • http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/52584476265.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/37224765777.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613c089083b14---pubefemipugomodip.pdfIn PDF document text
  • http://tieuhocsongphuong.hoaiduc.edu.vn/ckfinder/userfiles/files/75473170109.pdfIn PDF document text
  • http://thuephotocopytaihanoi.com/upload/files/zedanenujiwagenoj.pdfIn PDF document text
  • https://erdemlerkoleji.com/resimler/files/puxojululi.pdfIn PDF document text
  • https://miminku1.com/contents/files/rebatasimoxem.pdfIn PDF document text
  • http://nguyenxuanhuong.com/upload/files/70808272443.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/rejodavup.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/o2h1ls1fv49dodcc13dlcsfj2f/rutadazeg.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=redmi+phone+app+downloadPDF 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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