Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketchas.ru/uplcv?utm_term=kinemaster+2020+video+editor PDF link annotation

  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/4900402b28bdc06a139dff7d99892395/91792051304.pdfIn PDF document text
  • https://holcom-wd.holcom.vn/webroot/img/files/89814249792.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/93837801849.pdfIn PDF document text
  • http://forma8.kz/ckfinder/userfiles/files/72300313015.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/wemetinebivukepokajuve.pdfIn PDF document text
  • https://totounited.com/contents/files/97080083821.pdfIn PDF document text
  • https://a-metal.e-giant.net/archive/file/files/suzererixelowavu.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef44002c8f---26386110930.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/55990537482.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613da050c3c34---kexufotemataxudareniveme.pdfIn PDF document text
  • http://veitali.com/upload/files/xiwironomapem.pdfIn PDF document text
  • https://costarica4d.com/contents/files/62013952320.pdfIn PDF document text
  • http://dieutrimun.myphamkangnam.vn/webroot/img/files/82147197755.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcc1c5f810---99812243009.pdfIn PDF document text
  • http://soupworld.de/upload/file/83604018776.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161358bc21101c---pozipulopuwuf.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/dafixu.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/5028896804.pdfIn PDF document text
  • http://monticellotownship.org/userfiles/file/43886107207.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/39136036231.pdfIn PDF document text
  • http://chongqinghaohong.com/upload/files/62109690635.pdfIn PDF document text
  • http://montoaneli.com/ckfinder/files/89865358908.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/tebud.pdfIn PDF document text
  • http://packamate.com/userfiles/77046365838.pdfIn PDF document text
  • http://kahasat.cz/data/file/10411036230.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613083b2c5ee9---mipojaxabulu.pdfIn PDF document text
  • https://nevjegyzek.eu/uploads/file/wukitaresobivixuzofux.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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