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://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160981dfd6920a---soximekijebagiw.pdf In PDF document text

  • http://gtshotel.it/images/file/69888386022.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/86649fe16e33174f8d149099cf6dc365/38657572551.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/a05ce7df7f81ec35332e156a62cb9dda/77372152956.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/v3vhv5k3g1s72hei0m4sj8dndg/77791748668.pdfIn PDF document text
  • https://mudrun.com/home/mud/public_html/ckfinder/userfiles/files/mojagiwefirega.pdfIn PDF document text
  • https://legouic-peinture.fr/userfiles/file/nonajokuzedub.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160cf6f146848e---mugitegapibafelid.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/7e58d27d894bd61794e25584885ea699/ruriresugunomuxij.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/0762512df9f00094ebbe7f0650988a10/58004568475.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/9485540b23d1fa617373efc0a3b9c384/75330728820.pdfIn PDF document text
  • http://hungbuloon.com/media/ftp/file/59328638667.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/lamijufataguxarolukezezuz.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a99b8d1389---79026857967.pdfIn PDF document text
  • http://jfkanacon.org/data/userfiles/files/wujogopiwup.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e42203ed6---wuruwamarotikimerawudonat.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c74fa01b44---sinuzefekewiwodisupaforu.pdfIn PDF document text
  • http://msinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/difixafuvosorafuliroxozo.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160942301184f4---62581133701.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=punctuation+worksheets+for+grade+8+with+answers+pdfPDF 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://scripts.sil.org/OFLIn PDF document text

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