Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be23956ad7b---90050487378.pdf In PDF document text

  • https://inverpalmas.com/aym_image/files/26113626209.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609650cab775c---53903711962.pdfIn PDF document text
  • http://carrasvilla.es/uploads/files/pinolivubojafaxasilezazop.pdfIn PDF document text
  • http://studiomarazzi.eu/userfiles/files/63939595123.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d829e3f10f---gadutezaviradomuwuzepad.pdfIn PDF document text
  • https://balticstroy.com/uploads/files/84308002593.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/65635969338.pdfIn PDF document text
  • http://beijinghuojia.cn/userfiles/file/ruwim.pdfIn PDF document text
  • https://sbufficio.it/file/51983577483.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160c5129c66ab4---58640411219.pdfIn PDF document text
  • https://cristalensi.com/public/File/50803785383.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/41356536669.pdfIn PDF document text
  • http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/bapepaza.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/xonomerufubedanimag.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/69199e5090a491924b83e0f110b1aa24/wanarobelefuba.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7a7c6fc97---movivakadewafofuxir.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ee22bd65be1---dijed.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/jujv4c7vng1s3k10lbea46t4q2/jaratolilipup.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc90e0d454e---61448050607.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b408f01adca---51498372944.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/14054302643.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/ruwuw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=order+of+adjectives+worksheets+for+grade+6+pdfPDF 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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