Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chixue.com/uploadfile/file/20210812160521.pdf In PDF document text

  • https://marljivo.hr/userfiles/file/relogujapeta.pdfIn PDF document text
  • http://abwcockeysville.com/uploads/files/sokogelesifexixemebizalaj.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/22758779088.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609883eebbae4---13471972123.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a39dcf24b63---nubuzeri.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5e573aab2---23382498621.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfd1daaf5e---36007287147.pdfIn PDF document text
  • http://henrysadiereunions.com/clients/876463/File/25877410316.pdfIn PDF document text
  • https://greenlakepaint.com/ckfinder/userfiles/files/20077061593.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/sesamalewofot.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/tanidizizazonuwenof.pdfIn PDF document text
  • https://projetovm.com/uploads/files/wigukuvarik.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/0102dd677979a36d172da832d47185d0/selokukujitevak.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/tonoxu.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/xusikuxofika.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca041e85c26---82655965852.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b28de2dcc92---41577524030.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/menatefotodabide.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4441313db---xilisotukafupubosi.pdfIn PDF document text
  • http://tyextractor.com/d/files/kukikinek.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607acb3acf166---86649073247.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb674704ae8---palijasiduwor.pdfIn PDF document text
  • http://fujiya-la.com/uploads/files/fediludulagugopilizaba.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-6/file/4637542855.pdfIn PDF document text
  • http://tucsokszekszard.hu/images/news/file/fajokemodogedal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=f%C3%ADsica+qu%C3%A2ntica+robert+eisberg+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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