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 http://tienhasteel.com/app/webroot/upload/files/15554690427.pdf In PDF document text

  • http://risorsaterra.it/userfiles/files/68826970553.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/32a60d6c08db860960e28755470673cd/valiresif.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/6457599043.pdfIn PDF document text
  • https://ibrahimkoc.com/images/Media/files/92779962751.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/e576a35b04f818ba654e019a5dec46ad/28413779262.pdfIn PDF document text
  • http://norrlandet.se/userfiles/file/rutagemuwilefifulexuwozo.pdfIn PDF document text
  • http://taiwan-tsai.com/upload/files/40708026834.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/84908508070.pdfIn PDF document text
  • https://net-mex.hu/ckfinder/userfiles/files/jovub.pdfIn PDF document text
  • http://paulabenveniste.com/UserFiles/file/69584079240.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/c6e820582d59b615293a81b86a42b930/18521333264.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/17587933166.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/40168176172.pdfIn PDF document text
  • https://artcorner-fiberglass.com/userfiles/files/80392675534.pdfIn PDF document text
  • https://pemaboutiquehotel.com/assets/userfiles/files/resapinixamav.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613132b569863---30799268014.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/gojaxuwezovuben.pdfIn PDF document text
  • https://impulsa.mantareys.net/uploads/plantillas/files/50979471513.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/43506568769.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/fevikavalelon.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/r2ufvcdrhprkm8g9h1u4smb82t/98486721600.pdfIn PDF document text
  • http://lso-msm.com/userfiles/file/33620090485.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3cac96aba---4170951921.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/82636462492.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=new+android+11+updatePDF link annotation
  • 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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