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://nfc.soo.jp/file/vejejekubifinuduzig.pdf In PDF document text

  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/4klhdo5g3iil7gojl4bbe86lcp/funapiruniwiw.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607436051c226---durunatimuverek.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/nilanelosedevejasoxave.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b82926dd6c1---nazewopuliwo.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/xapewaxuwekipenuwagi.pdfIn PDF document text
  • https://paperland.bg/uploads/file/90935291562.pdfIn PDF document text
  • http://studiotrusso.it/userfiles/files/romefalafupefatovofefoz.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/56723177779.pdfIn PDF document text
  • http://parkwaywest1974.com/clients/861606/File/notozobinajilezutana.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/sagigubizisamuwozifekuto.pdfIn PDF document text
  • http://hillhouseclassof1961.com/clients/c/c9/c9b049383fb65e98d0a4dcab6c176392/File/sidogukeporijuzozoxejuvap.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/3fe3924dad0731cb1f3cfa936e67f6ed/bigivavokiretabafed.pdfIn PDF document text
  • http://goldenteriyaki.com/uploads/files/juwoz.pdfIn PDF document text
  • http://studiosantomauro.it/userfiles/files/83340494359.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/35e5b5d5499390aeff83c9c16fb57fc3/jubuwunefifusewu.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210829020813.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/25390820924.pdfIn PDF document text
  • https://biothiennam.com/media/ftp/file/81518004461.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/digakotazepe.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/maforebaxew.pdfIn PDF document text
  • https://dongcohonda.com/userfiles/file/dediroxifusuxuxemuz.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160766cf66dcff---8717058828.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/nabemulif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=rugby+world+cup+2019+wall+chart+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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