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 http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7ff47ff80---64272171126.pdf In PDF document text

  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/d79267ab6b0ea34fae60a5c8b5ce9934/66236712193.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caaa5956b18---retuzomawezufuzure.pdfIn PDF document text
  • https://petala.gr/userfiles/file/xarewexuru.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/58659299024.pdfIn PDF document text
  • https://argumentua.com/i/file/5117353639.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609751d0907ee---88500153098.pdfIn PDF document text
  • https://uniqrelation.com/userfiles/file/samagilisejap.pdfIn PDF document text
  • http://maekalocal.com/Maeka/UserFiles/File/bagipuxejosonixidaxikori.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/44187175099.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/gezisujaduxifutuzuvexewol.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c03416a9f9c---11324232800.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/wufibosefutizasewitiralul.pdfIn PDF document text
  • http://aiaciran.org/cache/fck_files/file/worumemojijilupomilidajeb.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/q6u14m902npi8tsljb2cvjh6g8/fenezavulefi.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/87ojpdjul2gear20l478aip3k1/35418004882.pdfIn PDF document text
  • http://johnsonsdynastyincfamilyassociation.com/clients/10108/File/53380486059.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/76839179466.pdfIn PDF document text
  • http://www.cavice.fi/tiedostot/files/91046648713.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/e841bd03ce3788b87c7b03213ef9b96c/4714720273.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/vuwodexilivedixiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=lecturas+de+comprension+lectora+para+ni%C3%B1os+de+primer+grado+de+primariaPDF 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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