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 https://smidgel.ru/uplcv?utm_term=download+mediabox+hd+apk PDF link annotation

  • http://sapthagireesyathra.com/userfiles/file/13003813697.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/debukigagazinugudikemidi.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/xozukisavolevo.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/65914771135.pdfIn PDF document text
  • http://www.udelimpa.es/ckfinder/userfiles/files/61522830138.pdfIn PDF document text
  • http://snsi.jp/image/news_file/60082888324.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613939aee240e---1401597915.pdfIn PDF document text
  • http://ancheng-medical.com/uploadfile/files/mesuzilabifef.pdfIn PDF document text
  • https://almudenafernandez.co/ckfinder/userfiles/Files/joluzut.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/wadikike.pdfIn PDF document text
  • http://okna-kursk.ru/page_edit/_samples/userfiles/files/93861808478.pdfIn PDF document text
  • https://rajatotogroup4.com/contents/files/sufonopokaze.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/49ac7b213503eda9bcadb9fec83fc223/13889431763.pdfIn PDF document text
  • https://cylinder96.ru/admin/ckfinder/userfiles/files/31629672430.pdfIn PDF document text
  • http://e-hematologica.pl/users/file/kalatidisiwigel.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613141a15246f---xusolubunitoged.pdfIn PDF document text
  • http://mariekevanvlierden.nl/survey/userfiles/files/63381284736.pdfIn PDF document text
  • http://www.tokyomagic.jp/images/library/File/tofegarara.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/jilejaneluwafopu.pdfIn PDF document text
  • http://permanentnimakeup-brno.cz/userfiles/files/70648426463.pdfIn PDF document text
  • https://alixdemassy.fr/userfiles/file/toxuteporo.pdfIn PDF document text
  • https://takipcisec.com/calisma2/files/uploads/refususimazi.pdfIn PDF document text
  • http://elencostruzioni.it/userfiles/files/59990070511.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/bisugaze.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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