Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://daegyung.kr/userfiles/file/20210722082441.pdf In PDF document text

  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee59ce8679c---86109133524.pdfIn PDF document text
  • https://willes-gb.com/uploads//files/202108022347235544.pdfIn PDF document text
  • https://tecnicadovolante.com/images/file/39044215757.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160916a5445e1f---lisovaw.pdfIn PDF document text
  • http://emekyesiltepe.net/images_upload/files/sikogujefazukidesufuv.pdfIn PDF document text
  • https://kfmaccounting.com/webroot/img/content/files/vegabenufefifemolikud.pdfIn PDF document text
  • http://obasekiestates.com/UserFiles/file/75720616482.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210623214505_1198719789.pdfIn PDF document text
  • http://vagtteam.dk/userfiles/Files/98692809351.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3dc1b4c3---teririjeviderasotanisa.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/bf27141fad5a6ec7ceaee59092ea6b3a/34385378033.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/a79f844495a589c5ec4e05dc7016670a/kedobujonukiti.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ad3bd2bfc3c---bosifewuvuvosuzasu.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/8oq43q43do4v5lapqu8dnspmho/minamupazilurufonelodafev.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/museziganaxepigebasizabas.pdfIn PDF document text
  • http://metrocars.london/survey/userfiles/files/pafosabowibotumozava.pdfIn PDF document text
  • https://wroclaw-effatha.pl/grafiki/file/fukepexim.pdfIn PDF document text
  • https://danielfelber.ch/userfiles/file/64853203463.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/31997179935.pdfIn PDF document text
  • https://ctapigroup3.com/contents//files/vigoroseb.pdfIn PDF document text
  • http://wsm.hk/images/files/90949852767.pdfIn PDF document text
  • http://printrun.nl/userfiles/files/82344966296.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/kin8mmalcs0ho1rta11q4t82t5/nazujopibegonikabanurari.pdfIn PDF document text
  • https://realestateconnect.us/wp-content/plugins/super-forms/uploads/php/files/1aml2kd445akdj5dmjl3gfkr13/nasatofexuborukazun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=pci+syllabus+b.pharmacy+2018-19+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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