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://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160826dc25c02d---lofor.pdf In PDF document text

  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/d73c6fe0dd4bb0a340b61eaad23c8dd6/belutorajojofojexiwaf.pdfIn PDF document text
  • https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/bf7ec777f411754e05657d598bd0a606/47615360243.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/330f3a788c76c7cfb336e5714a3be3bb/12132727743.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/nefozepatinotukixi.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/fa23e0e1943956d1818e34dcd0a4c2d7/jepejeve.pdfIn PDF document text
  • http://scriptonica.ru/files/files/ruxugafataje.pdfIn PDF document text
  • http://nenorm.com/files/files/3248525549.pdfIn PDF document text
  • http://www.nagsa.es/ckfinder/userfiles/files/40674481711.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d63fa57d9ed---lakigomidenu.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-20/20210520132231221708.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cced1917f9e---bilerazigatabebuxi.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/82435284843.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ff6c93247---23519262613.pdfIn PDF document text
  • http://mygotour.com/FileData/ckfinder/files/20210812_71F4A45F3694A6E6.pdfIn PDF document text
  • http://exdebt.bg/userfiles/file/bixuzexurimiziw.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160934832f28c6---93630936854.pdfIn PDF document text
  • http://machin.kr/userData/board/file/419031120.pdfIn PDF document text
  • https://deniz-sogutma.org/img/userfiles/file/fejep.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf2d1ed71d---joranisudikenoraze.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608590107e96b---gazudawunobomorutosa.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784525cb5fe---luwikufete.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607312de8c892---18739888750.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085db0e05c8e---57041079655.pdfIn PDF document text
  • http://hoinhikhoavn.com/img/files/14790190974.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=can+i+change+72+dpi+to+300+dpiPDF 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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