Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://chcial.ru/uplcv?utm_term=disease+prevention+and+control+pdf PDF link annotation

  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1d4f156082127f592cff16e1c4eb5cf5/xidobunupu.pdfIn PDF document text
  • https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/e25386a2c9361730ce6004354d15255e/42792725369.pdfIn PDF document text
  • https://machinex-machines.com/UserFiles/File/5002910237.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/adfe1d71feb8d332f1af2054112ef208/saroribolipegefe.pdfIn PDF document text
  • http://aktifbant.com/resimler/files/24286226577.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160843fb82dc30---26762968730.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/5d1e33e1c8cac23f9b4281a1caa378fc/82315181133.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/57132520140.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ecbe25da4---93882248791.pdfIn PDF document text
  • http://mashtalkandil.com/userfiles/file/44277325059.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16129c3ee77c77---71806664514.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/gufiluvikadanulawanawuvu.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/fevixafox.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/mq1g9at5c45afh2j5id7a00l62/gokirezafinumezasebato.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/11f576ee8b2800973abaee0839799392/xikibuko.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/99335547901.pdfIn PDF document text
  • http://onthebroadway.com/CPD/adminpanel/upload/file/9461330078.pdfIn PDF document text
  • http://epmachine.ru/d/files/94439026693.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210820_1228399317329D26.pdfIn PDF document text
  • http://krcatikyonetimi.com/userfiles/file/93389013627.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095cea0e11a0---zigujubowologalafo.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/d7a67c2203405d6d225c26a394b2f386/82347535533.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839d1736f90---61893233540.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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