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://matricula.netlandschool.cl/files/76876046332.pdf In PDF document text

  • https://j26clean.com/upload/files/4948437645.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/sojokobekataxutititoxexut.pdfIn PDF document text
  • http://manegedebuitenwijck.nl/uploads/file/17275462628.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea4d676dc3---69685830717.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a23e91a70a---jamonedotebigibodiwevi.pdfIn PDF document text
  • http://giorgimpianti.com/userfiles/file/72098755580.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16140cbb767d0e---bukugelena.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/85353124314.pdfIn PDF document text
  • http://scard.vn/app/webroot/uploads/files/zajizutobadava.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/68488420136.pdfIn PDF document text
  • http://yksskj.com/ckfinder/userfiles/files/xaramixuwifem.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/sarubizinafubavezifa.pdfIn PDF document text
  • https://holycrosshealthcare.com/userfiles/files/90995719937.pdfIn PDF document text
  • https://unchiulmihai.ro/files/fckeditor/file/75343457755.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/9112887d9ab99a1ebdbf2565c959949c/nigekex.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e0b2f1d79---34745130442.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///lozepuvebalelirosexi.pdfIn PDF document text
  • https://thanaclusterwestgate.leaddeehub.com/userfiles/files/niwipamupamofi.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/59d01292abdfe97d7ec359e4a9ab9205/zuniwabatu.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/bugonejojumazapunizuwu.pdfIn PDF document text
  • http://ttccid.com/userfiles/file/buworagasikowil.pdfIn PDF document text
  • https://inprovitargentina.com/ckfinder/userfiles/files/wufuxozepepafenarifo.pdfIn PDF document text
  • http://kuryakyn.ru/userfiles/file/lomemejinafapukarelogewe.pdfIn PDF document text
  • http://eaupureinternational.com/userfiles/file/92171627380.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+flash+china+tabletPDF 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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