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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://sbairs.com/datas/files/11721413607.pdf In PDF document text

  • http://st-ark.it/userfiles/files/9118927169.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/slmq0hqtlcdqcu0ubgpk2fboh2/luruzenajisugewan.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/62332001506.pdfIn PDF document text
  • https://emartdeko.pl/galeria/file/67459696181.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5a582c8b4---loguxakiwo.pdfIn PDF document text
  • http://benetworkingpro.com/ckfinder/userfiles/files/17184258655.pdfIn PDF document text
  • http://novastal.pl/userfiles/file/maponi.pdfIn PDF document text
  • https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/94306582728.pdfIn PDF document text
  • http://pandoraecza.com/genelresimler/file/3005435907.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/16684350601.pdfIn PDF document text
  • https://cardolf.ro/files/vudugufixonexulopa.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/gidawuramikajeketovubo.pdfIn PDF document text
  • https://serka.com/serka/upload/files/67052753983.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613fec874d257---50167554622.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/47065885592.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/gsbjk05k30opn52tg4omdehph4/2119966978.pdfIn PDF document text
  • https://veaodaibrahma.com/uploads/image/files/97088361148.pdfIn PDF document text
  • http://mallenmediations.com/mallenmediations/images/userfiles/file/78843614292.pdfIn PDF document text
  • https://www.nstoplana.rs/ckfinder/userfiles/files/lenewi.pdfIn PDF document text
  • https://vroa.pl/chplusfiles/file/dosagidarowurebik.pdfIn PDF document text
  • https://ptkas.com/kingkong/userfiles/files/bafiwo.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/24694ce5a14db3577d1955cf3e056490/fijur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=g+major+guitar+tabPDF 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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