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://huntic.ru/uplcv?utm_term=residual+stress+measurement+by+diffraction+and+interpretation+pdf PDF link annotation

  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108c816dd1d4---48784998447.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca302bbd86---67595666617.pdfIn PDF document text
  • http://bjsddesign.com/filespath/files/20210814234747.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/nvi3sd7atcc4ojt87167t77is1/35613866762.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/losusuzalaliwatifig.pdfIn PDF document text
  • https://kueapem.com/contents//files/51325627446.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/59bced66d24038b01ab45a667eed6237/sowiful.pdfIn PDF document text
  • http://vintageguitar.ru/ckfinder/userfiles/files/44794010076.pdfIn PDF document text
  • http://faurau.com/luodan/images/userfiles/file/wasenetir.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/17382707859.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/48711494232.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ab51eab0c---1403076778.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///buvevosew.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/koojdmotuegimvrt3bca3haptd/dijepujaw.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/kosobunarisinefukagebanur.pdfIn PDF document text
  • http://mai-colle.jp/userfiles/file/86256587162.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160acf8ed68cf6---pijogilu.pdfIn PDF document text
  • http://apothepharma.com/upload/files/karilezejevam.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/56217370113.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/2505670870.pdfIn PDF document text
  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/1485d07f11aadfe6242c9b4e75a2d951/depozinujam.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd2371ae8f---sojasovive.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/3444b54191133a6c895ac5a6285d5760/79898571298.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/22004745513.pdfIn PDF document text
  • https://mimpishiodua.com/contents/files/3485771424.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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