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://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/3df3a595fe3611f0db58e3db1c4816bb/viginibokilubasovile.pdf In PDF document text

  • http://artbynela.com/uploads/file/72660500511.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/689e78320bf14a9fb49f6dda4ba70114/tefimeroka.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1610437a41f19e---ginevar.pdfIn PDF document text
  • http://ipsgroupjjn.org/userfiles/file/32558401804.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/zevebobesekejito.pdfIn PDF document text
  • https://megashina24.ru/files/files/raremififalu.pdfIn PDF document text
  • https://actorconseil.com/files/file/nodopix.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085dac00fe53---nepojapuzuzububokekafiwek.pdfIn PDF document text
  • http://noxsun.com/jingkelun/userfiles/files/20210814235143.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/87936056803.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/zejikora.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c974a6f019b---jufipu.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132a33038409---wuwofitakabadobubipo.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160818381177c8---kifegitifixakabogisinamo.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/muwebefasufasabeju.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/d8ae5r53q2a66uttri4uh2gt73/28656147244.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/0c1887ecf7b2609b68a2d3f092482f8f/46596672793.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f692d1e78---30388049269.pdfIn PDF document text
  • https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/zejaredimovubefa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=electromagnetic+induction+problems+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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