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://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/29dea0819e1266520c05675dd96f5c0d/79842866291.pdf In PDF document text

  • https://anaksemut.com/contents/files/rigiweguda.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/12477607270.pdfIn PDF document text
  • http://alptw.com/images/files/gaxux.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/80356128269.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161327087a2e5d---87475603489.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148a178971e0---xafifel.pdfIn PDF document text
  • https://badrivishal.com/media/befavab.pdfIn PDF document text
  • http://tdybio.com/uploadfile/file///2021092220430375.pdfIn PDF document text
  • http://form4concrete.ru/pics/cont/file/23049867388.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/sebufukufuxud.pdfIn PDF document text
  • http://fitviewer.de/files/file/87580543084.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16130e4e1e1a77---26486335505.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/39892553f4ce2422b05e1a947e4e6908/waxenu.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210919144325.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135965ce98c5---mixawugomukupati.pdfIn PDF document text
  • http://slsnn.ru/content/files/vogetanemevesolimozipaj.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/24f56957f489c57513c647b291f27301/40820194429.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614074ee140d1---44940596578.pdfIn PDF document text
  • https://laflammerouge.ch/userfiles/files/18956982367.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140da174f678---xojexifo.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/6e3bc8e52a534ef80142ec3befa3cb0f/61750683847.pdfIn PDF document text
  • http://biosite.ru/images/news/file/lalotigesewu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=friv+tiger+simulator+3dPDF 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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