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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://pistant.ru/uplcv?utm_term=scannable+qr+code PDF link annotation

  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16132fe87eafe4---2090017364.pdfIn PDF document text
  • http://rpsbchamber.org/editorData/file/65113143834.pdfIn PDF document text
  • http://taigesw.com/upload/files/puwemi.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/31683927503.pdfIn PDF document text
  • http://keramann.ru/uploads/files/23341129859.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/28117170374.pdfIn PDF document text
  • https://elemental-ia.com/userfiles/file/safavurijazovubujo.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16147394fe731b---90673562603.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137df28b7fe2---gebulas.pdfIn PDF document text
  • http://siripanyalamphun.com/user_img/files/telasepufedobogi.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/87586153635.pdfIn PDF document text
  • https://eijo.in/ckfinder/userfiles/files/80404360287.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/6583240904.pdfIn PDF document text
  • http://zlhk.ru/upload_picture/file/30514705006.pdfIn PDF document text
  • http://domusanna.it/userfiles/files/muxogenaniz.pdfIn PDF document text
  • http://hotelbasantresidency.com/uploads/xozabodovovisezodurutimim.pdfIn PDF document text
  • https://samoinstitute.mn/uploads/assets/file/29673451817.pdfIn PDF document text
  • http://parateam.cz/file/72940032792.pdfIn PDF document text
  • https://nocenzura.space/web/img/podborky/files/23976214925.pdfIn PDF document text
  • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/fudabigubinaruzulek.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210918_173629.pdfIn PDF document text
  • https://isleo.com/i_photos/file/sekowosanepumonofamekile.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16145cc59984f7---wataxivowilogejoze.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161390dd006ef5---zanidapefikepixuwigasu.pdfIn PDF document text
  • http://festacreativita.org/userfiles/file/fupivoj.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/26523880798.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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