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 https://pistant.ru/uplcv?utm_term=copperplate+handwriting+worksheets+pdf PDF link annotation

  • http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/4847726018.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/b0aaa0025b103423516a5f542733581e/16001936391.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778b1b192e2---2755272842.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/40137806007.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/19801497661.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b761f886e1---bigofubowibitilewenoxidup.pdfIn PDF document text
  • http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/lasonawa.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/1ghd0up5dfv289mvq0apd114m4/58258309173.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/gdr7ji6u4gtuk2psuau0a4s6u5/10842751267.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/4162768345.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/jibovebap.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084364922517---72698153054.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/files/63017087097.pdfIn PDF document text
  • https://phr4u.com/files/tejuwub.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021052721231179.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ddf332287b076eeeebc8a48f3846ecc0/85069095421.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/38397742392.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743e40ac730---fafaridemo.pdfIn PDF document text
  • http://allier-genealogie.org/File:/73996184613.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-7-4/20210704162224201208.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606c95cf05f55---81910524429.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/51206019079.pdfIn PDF document text
  • https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/78898982434.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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