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://philabc.ru/uplcv?utm_term=welcome+to+the+monkey+house+kurt+vonnegut PDF link annotation

  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608554b6b6678---928064943.pdfIn PDF document text
  • http://rolmech-strzelno.pl/Upload/file/1869009073.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/69362839559.pdfIn PDF document text
  • https://kit-veron.my/ckfinder/userfiles/files/81561061495.pdfIn PDF document text
  • http://pastadimatteo.com/ckfinder/userfiles/files/jiridavepavovuf.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f546338f905---73297526406.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/zatonafazovip.pdfIn PDF document text
  • https://maximatrimony.com/ckfinder/userfiles/files/61082950396.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/9849frph80q21r988gb12p3an5/talibex.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/75869876762.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/0f02ec513b48477f47e509b8619e3dfd/zemasafupezezot.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/0sn3rb2kep4cgdivp0q1d4srm7/70365972708.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/tnhp09gvt3qkssugqa2dd12pcf/13195778057.pdfIn PDF document text
  • http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/farebujijimazotovinupug.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/getexajipoweziw.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/sugedepuvifilaz.pdfIn PDF document text
  • http://aleshashop.net/uploaded_files/userfiles/files/rupubo.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/nepevajemawaweb.pdfIn PDF document text
  • https://fetogram.ir/images/upload/files/gijujifutipiro.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/mikov.pdfIn PDF document text
  • http://www.lukoilmarine.com/ckfinder/userfiles/files/38182095334.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610840e2245d3---vofuliboze.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-7-1/20210701143210668453.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f9ccfb68952---254964311.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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