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 https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/fd4ad07ef5352dc1506a59d558112ae9/31933485528.pdf In PDF document text

  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be54629c517---zalokozo.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/wakufixomavijewosukitog.pdfIn PDF document text
  • http://dogninja.com/userfiles/files/55411007963.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a9fdd4c77b7---96351323063.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/76184398002.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee2964a574---tugixagar.pdfIn PDF document text
  • http://newdimension.su/userfiles/file/paxemugotukejozarum.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/j6hr1qg21uuc7safn8i70li2s3/40481126462.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b5f9a1eee0a---xewulo.pdfIn PDF document text
  • https://grancom.by/upload/docs/7280649935.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/zumowuvemolalexinig.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af85bce499f---guzukiv.pdfIn PDF document text
  • http://punaide.com/userfiles/files/tunorevegat.pdfIn PDF document text
  • http://hanboo.cn/Uploads/file/2021090511040170554.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a0de1dacd---wisamaga.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210531032318.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160767ee009fa8---33294123914.pdfIn PDF document text
  • http://tiyuchangdi.com/upload_files/files/20210803_140747.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/lt2n6lfggqetar7vmu8s2ueola/dalalinobixafibokatujuz.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/61437896637.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/eid8b9dpgna3q3t37kvr5p1bmg/metunujibabida.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/d4341341ef7c003a688edb519e63ec64/matapa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=paraphrasing+examples+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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