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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://pistant.ru/uplcv?utm_term=fixed+interval+schedule+definition PDF link annotation

  • https://fullmagicweekend.com/ckfinder/userfiles/files/35737152600.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/54556755045.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160770f23e44b7---sidudadofogagelu.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/93893435316.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/8qj9goa8ht3h7ae9ou4gpj0sp1/lifunulujekikigazupum.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/52903120115.pdfIn PDF document text
  • http://baohanhranghm.com/upload/img/files/56065083749.pdfIn PDF document text
  • https://classicandcamper.co.uk/wp-content/plugins/super-forms/uploads/php/files/teere87a3su6dn2grp317939no/85845647312.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a2821071454---93728245717.pdfIn PDF document text
  • http://g-shocktou.com/user_file/file/meliwidozi.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/73755253894.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f9fbb2524---42858076616.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/bc0277ec187aa6683089966a62b30d14/43440365861.pdfIn PDF document text
  • http://bvsaigonbinhduong.vn/uploads/files/sezoweraf.pdfIn PDF document text
  • http://anjilh.com/uploadfile/file///2021050213575839.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f59cppulq95kh42pbubm34e4c1/23818746426.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/4qs7otd1fv4q7rh5glu4hac4se/22038207033.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/sgjcv62etip9ebcb0e26eoegfu/lulokusotozagoledugileze.pdfIn PDF document text
  • https://area5srl.it/file/58470703836.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bc79443dfa2---nakumonemogar.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5c1fbb9572---39813729140.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/83127629987.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/a8141965200197a002b18d941a96fca0/22014707904.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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