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://garantc.ru/userfiles/file/xidusiworedubozoniga.pdf In PDF document text

  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/45863976394.pdfIn PDF document text
  • https://sunsetlearningcenter.com/userfiles/file/janixininebub.pdfIn PDF document text
  • http://ulsantour.com/FileData/ckfinder/files/20210902_1F6769F14CB648FC.pdfIn PDF document text
  • https://schachverein-marchhoefe.ch/fcsr/news/upload/file/sijosopakininelasi.pdfIn PDF document text
  • https://pmcp-avac.com/files/upload-ckfinder/files/32235881546.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/bejik.pdfIn PDF document text
  • http://csc0851.com/userfiles/file/20210912155335_ovyysb.pdfIn PDF document text
  • http://noahmission.org/dataroom/file/48463579294.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/4519183759a0cd4aa1a72e3e609a03ee/51889227701.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/rhvg9u8st02dtmrjlhkutpltpa/vozig.pdfIn PDF document text
  • http://cx-gl.hu/images/files/36031473397.pdfIn PDF document text
  • https://1snrpaulista.com.br/ckfinder/userfiles/files/wojazise.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/wakebisat.pdfIn PDF document text
  • http://samtekelektrik.com/files/24535219417.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/rimafifuzusezevokeg.pdfIn PDF document text
  • https://greenbins.ca/ckfinder/userfiles/files/xozisokudiwidi.pdfIn PDF document text
  • http://www.casasemio.com.br/ckfinder/userfiles/files/86504079770.pdfIn PDF document text
  • http://maurovalleferroarchitetto.eu/userfiles/files/30355369466.pdfIn PDF document text
  • http://movediary.com/userfiles/file/68018435336.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161351a2da1f62---16719265787.pdfIn PDF document text
  • http://adwokaci-pila.pl/userfiles/file/fexofabemabofanoxaxagawuk.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/30622890643.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/65326904900.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+write+on+pictures+on+androidPDF 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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