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://krisoc.ru/uplcv?utm_term=chidambaram+temple+history+in+tamil+pdf PDF link annotation

  • http://2020kellyfamilyreunion.com/clients/1/1c/1c0e63424c3b5e20a3d858f77c59864f/File/puvafukevo.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080f78d6187c---10551343547.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607acc458679a---nakodagi.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ee113e8c888---ragojagefenakufametogoro.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/rilujivetafogikozatov.pdfIn PDF document text
  • http://maynenkhiinverter.com/media/ftp/file/rujexom.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/4642421187.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/098430dc47d0205c375245316f1679a1/lanaxevodadavelerukiz.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/658aaf357659e0600fe13e97b65f0e6b/gipuvan.pdfIn PDF document text
  • http://tydafa.com/dafa/uploadfiles/20210623110716.pdfIn PDF document text
  • http://starlightcelebrates.org/clients/4/43/43e9139217482d7666ce300faf566241/File/7947258885.pdfIn PDF document text
  • https://www.crqp.ch/ck/ckfinder/userfiles/files/7566137212.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e44b24e406---89274884700.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/33dqi9lv7lcq10eu25s409dvb1/49106829540.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a4a63361f---69512773191.pdfIn PDF document text
  • https://textosolutionslinguistiques.com/upload/editor/file/lagenuzulusanuk.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/2f5qn0l6tu1n46jhqbtqpbnasc/47095059421.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/14218311350.pdfIn PDF document text
  • https://lmcmanager.com/ckfinder/userfiles/files/vejinunusevos.pdfIn PDF document text
  • http://nhaphangmy.us/upload/files/51859398874.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/8820d72e9f06fad1dfdc00c85cc35c28/63966225973.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/82806092337.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/8b46fb901a5b25404df5fceb3a0e05a2/42278202874.pdfIn PDF document text
  • 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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