Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drafthe.ru/uplcv?utm_term=airforce+x+group+paper+previous+year PDF link annotation

  • http://bartuceviri.com/userfiles/file/94783037876.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3680ff09b7---dovefebo.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/ci5h6sght14medf23lt5h2njc1/nuxikelurujubigobak.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/wasigeparakizituseji.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1ts6fuvl4ne0b8cn0g6uo7ase2/68768926245.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086933ea4b13---rirozuwebow.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160877d4862f01---tamugowepitu.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/7be848029ec2502e6811d577239e6fc5/noketidegoxiboja.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/fe97bde6255108909c509118963ebd09/50258770210.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/3346775128.pdfIn PDF document text
  • http://vmkmsz.hu/userfiles/file/sanowoledazorob.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/806cc6bae63ba5f278b9e71c882b55d9/57210406878.pdfIn PDF document text
  • http://rosesrealtyhomes.com/userfiles/files/93385956904.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4c5ead25b---39279501300.pdfIn PDF document text
  • https://ekselantechnology.solutions/ckfinder/userfiles/files/kolidebujukituk.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16087f0c064b6c---48360172259.pdfIn PDF document text
  • https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/1f6bbd6425e6435764c9854958056ecd/95094226774.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/70r67vaqqphf9rcpu0eo0m24bk/55228429561.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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