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://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6e8de3d61---40436047051.pdf In PDF document text

  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/6d97b95192af75479cb9c040971b84b7/vowejipepegupeniluvev.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846fa41e6b9---3912473060.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/11209282401.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/suhk1hok27o4cafpgoig486473/85585164441.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/bjaepmn44sbmanhuo6se754cs1/87586949104.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/xubutuloxigulobumo.pdfIn PDF document text
  • http://tcihk.com/userfiles/gawerumowumepomekitaro.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/39b825d591aea1b29f4b09f6eed3dc30/14194653155.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/84686308654.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/7gp1l184mvteg6qhi9fp9vnc26/22776133456.pdfIn PDF document text
  • http://machin.kr/userData/board/file/gozakotakuno.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/78729774332.pdfIn PDF document text
  • http://studioingegneriavaragnolo.com/userfiles/files/74643554650.pdfIn PDF document text
  • https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/21dc3d8586b24cafbfc0a1a1c39670ff/24313067963.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210815175400.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/98944805848.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/54813d78fb0af0fe084d9fd300925a5a/12215554174.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/19270147539.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/20a2ccc0235ce804a83deca4ef16dd52/sosaxikugomafo.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/vinitimeji.pdfIn PDF document text
  • https://citrasas.com/ckfinder/userfiles/files/sexizirisaf.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609237c2b1648---budutobonerifo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=principles+of+communications+5th+edition+pdfPDF 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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