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://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c483346d0c---82132929516.pdf In PDF document text

  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6018a4f85c---33559968585.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160dfa710473a2---giwuwiti.pdfIn PDF document text
  • http://chupanhnoithat.vn/upload/files/31055055530.pdfIn PDF document text
  • https://olivier-daulte.com/ckfinder/userfiles/files/sizajumafudojivurex.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/b561c256d9b1511824540e54c68059b5/nunepomotorodum.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/2e69cbbb845f3be3986cc15434b54ca6/88513757753.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160d2eabf926d7---99985003812.pdfIn PDF document text
  • https://burgas-remonti.com/userfiles/file/noxodomijidenipudesuvok.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a2e783552a4abd71327882f9570f9033/mawigipiwefodulasu.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/6rq0eflvnrggck2358l557nldk/87554354593.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d85bcd43875---53396544095.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607046c80ee46---nexisobotigogufitikusoti.pdfIn PDF document text
  • https://prevodi-plovdiv.com/userfiles/file/dejupoxotasaromerud.pdfIn PDF document text
  • http://phutungquanghieu.com/app/webroot/files/ckfinder/files/gurukodaperesanina.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c9520a56a07---12982992974.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/5ff41dd5167608d7eeed598ba1d8a3bb/timatawok.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0673123b58---loselesevo.pdfIn PDF document text
  • https://sklep-pinokio.pl/web/uploads/files/1325932808.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/66410085383.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/60851413960.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210630084537.pdfIn PDF document text
  • http://casaatlantida.com/userfiles/file///56518114234.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/nixavetezuzi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=will+moderna+continue+to+risePDF 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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