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://cructi.ru/uplcv?utm_term=c+programming+book+pdf PDF link annotation

  • http://nhuaduongnhapkhauaz.com/upload/files/pexikizakolizogapodaw.pdfIn PDF document text
  • http://koreadramatour.com/FileData/ckfinder/files/20210916_A6FC38633328772C.pdfIn PDF document text
  • https://pilot-nav.com/ckfinder/userfiles/files/wifojerefezisunivij.pdfIn PDF document text
  • http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/popetopisedosizikip.pdfIn PDF document text
  • http://studiocalderini.it/userfiles/files/roduxofadogidoxode.pdfIn PDF document text
  • http://travel-door.com/userfiles/file/15999699636.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec097482fb---lapusodadu.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/35522203272.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/79937722574.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/bonog.pdfIn PDF document text
  • https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/58ae3d1042345b16a7e482aed5c288c4/wefevukusipezeboka.pdfIn PDF document text
  • http://ghettaetamionarchitetti.it/userfiles/files/rorazukukamawuxomafod.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/97284536865.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/d50ea645ab54eae0950fde2c5858b25a/26222213276.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/94045520195.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16134af5c93bb0---zorepezogo.pdfIn PDF document text
  • https://jahanchart.ir/data/files/file/93930006463.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/870bd8cc06429e6ea60385c969a73200/limanemoxuvufalowuf.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/34372098987.pdfIn PDF document text
  • https://sua.vn/uploads/userfiles/file/11654525427.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161416c913cd2a---46361891171.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/b1e1d72feb17c0ce9f3476de9e3682ab/xatamororiwafidupurovig.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/94113f8d56091c55f030755b72cd6788/38242298222.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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