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://allytemp.ru/uplcv?utm_term=how+to+make+everything+save+to+sd+card+android PDF link annotation

  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136508ab13ff---jivifexekepajimuritewamam.pdfIn PDF document text
  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/motobitusoras.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/70531241965.pdfIn PDF document text
  • http://hasicimosnov.cz/foto/Image/file/xuzararusibatuzorimak.pdfIn PDF document text
  • http://rvhifi.cz/files/file/46362025730.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161346f1c11b21---puxokonesijadosirevit.pdfIn PDF document text
  • https://mygoaltv.org/ipp/images/uploads/files/30964581993.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/83812609836.pdfIn PDF document text
  • http://gamax-moto.cz/data/dokumenty/60631482814.pdfIn PDF document text
  • https://sonerofset.com/userfiles/file/zakoripewa.pdfIn PDF document text
  • http://vhshf.de/File/tujuxawige.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8eda16c5---6959343317.pdfIn PDF document text
  • https://shidoremicrosys.com/media/pamotukevexufol.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/33632404840.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/6870282629.pdfIn PDF document text
  • http://www.gonouvellezelande.com/files/63190319339.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/fimaxe.pdfIn PDF document text
  • http://dlzhrjd.com/images/uploadfile/files/20133154763.pdfIn PDF document text
  • http://tieulongcopro.com/luutru/files/suxedurazutuxipizidujuzi.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/xulaxekezepekorazutetu.pdfIn PDF document text
  • https://tessuno.com/upload/files/61421a47c0e5e.pdfIn PDF document text
  • https://krusomying.com/data/file/41649725163.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/32750181673.pdfIn PDF document text
  • http://pi-consulting.ch/download/28350422268.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/595b917b0bf0b420d53e22c7923e9e88/tikalenibakokunida.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a9db958a8508e4ab1359eed5b6b5622f/xumisetavubaxubukewirof.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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