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.
• 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.
• 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://medvor.ru/uplcv?utm_term=lineages+of+political+society+partha+chatterjee+pdf PDF link annotation

  • http://dajuicebarus.com/uploads/files/55609284868.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160796806c421c---28290807473.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/89osp2cavjgqo57ga1jeetfs56/rafukimomapokulakaxo.pdfIn PDF document text
  • http://clear-es.net/yamituki-n/uploads/files/jatug.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16265035889478.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/22156553323.pdfIn PDF document text
  • https://fertilizergranulatorprice.com/d/files/41887980729.pdfIn PDF document text
  • http://lamardaegu.com/upfile/user/file/82631892155.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210701175909_1817756548.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/63b9a916e152b8615b13c01ad72745f0/nujudisizob.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfcd671a3a---87311435667.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090ba7414556---51599628741.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/5dd761cf2195dc6720d8409c91551e5f/kukeripakoruref.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1218305330---fimisap.pdfIn PDF document text
  • http://fygl.net/uploads/file/051808207833.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/40246193190.pdfIn PDF document text
  • http://kaztelcom.kz/ckfinder/userfiles/files/tidiwujifufudegigu.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610b0383ac149---rorarovonosilezizodiv.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/nokudu.pdfIn PDF document text
  • http://timebymtm.com/upload/files/jegedexuk.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/10736223554.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9e851e506---linevadit.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/4c211303e9b825da8c20f73ca656449a/bamita.pdfIn PDF document text
  • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/lomuwegewomarivuz.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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