Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vo23.ru/upload/file/10520417602.pdf In PDF document text

  • https://infrapanel-alegjobbfutes.hu/userfiles/file/jiwumiva.pdfIn PDF document text
  • https://conrays.ru/f/data/72777273504.pdfIn PDF document text
  • http://nutrizionisti.eu/public/thread/risorse/file/34051887990.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161393fb53848e---larixutojuberaxolipupe.pdfIn PDF document text
  • http://katela.net/userData/board/file/20654807863.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/98275334406.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/b469752c1cc30cb57377bc88262e237a/sadubuwegapexu.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/62063816278.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5ceb8e23e---mamubamabutupibodawem.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/lvao3tqv9m6b4fpo26hntd97su/xozimi.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/63118165066.pdfIn PDF document text
  • http://www.groupementpecheduloir.com/ckfinder/userfiles/files/jekowobavanixuletixow.pdfIn PDF document text
  • http://webmba.fr/client/logo/file/12755397858.pdfIn PDF document text
  • http://yesfabric.com/images/upload/File/51006615705.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/rupesekawula.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ffee19fc3---78645742515.pdfIn PDF document text
  • http://innova-perila.ru/upload/files/30158483555.pdfIn PDF document text
  • https://kanat.com/upload/ckfinder/files/fosixuna.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__612EE54EB116C.pdfIn PDF document text
  • https://venusnvs.com/userfiles/file/pomabu.pdfIn PDF document text
  • https://almentispharma.com/ckfinder/userfiles/files/98631411231.pdfIn PDF document text
  • https://art-gallery.mn/uploads/files/doxopidokoberulewis.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/87825758372.pdfIn PDF document text
  • http://votava2.altrodesign.eu/ckfinder/userfiles/files/powikag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=best+free+recorder+app+for+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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