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://philabc.ru/uplcv?utm_term=poco+x3+nfc+bluetooth PDF link annotation

  • http://flooroverstock.com/admin/userfiles/file/xusonumijiv.pdfIn PDF document text
  • https://budapestpainter.hu/ckfinder/userfiles/files/pozopanuk.pdfIn PDF document text
  • http://afro-safari.com/upload/files/59118344593.pdfIn PDF document text
  • https://tortugafilms.ca/adminfiles/file/60068804941.pdfIn PDF document text
  • https://washlounge.in/ckfinder/userfiles/files/26396979981.pdfIn PDF document text
  • http://safiorida.nl/operatori/userfiles/file/takejirarejexugeg.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/xinomekalelizobusojuxox.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613970b948484---rajedo.pdfIn PDF document text
  • https://pastijptoto.com/contents/files/liwozibuwibe.pdfIn PDF document text
  • http://qianxish.com/ckfind_image/files/50639153118.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210911052920_gklmxy.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/eec1a850bf92dbdca6d1e6ef8359d228/37949191238.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/dotiroxalurizoxa.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/wabalukifafijagiponuzufi.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/77479933286.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///kofunamezifaveludemimiso.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a91d64cdcb---lajane.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/9mgnn1ees34583iq693u8vemv2/46137223731.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/8330215f41febae96bfdb59909f45203/digatoxizojubodopirupugen.pdfIn PDF document text
  • https://xyoaa.org/sites/default/files/files/36036231726.pdfIn PDF document text
  • https://duvarkagidierzincan.com/userfiles/file/57107429513.pdfIn PDF document text
  • http://gattoneva.pl/pages/userfiles/file/gazufodesuxilagaderoni.pdfIn PDF document text
  • http://auto-spec.ca/fck/file/domeledonuz.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/negopenoji.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/sonefuwufamu.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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