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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://coretry.ru/uplcv?utm_term=edit+word+document+on+android PDF link annotation

  • http://lg-palette.com/upload/files/720532464.pdfIn PDF document text
  • http://techbis.pl/files/file/55092834555.pdfIn PDF document text
  • https://genegurumiraclehealer.com/userfiles/file/faxudirunozulutekagi.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/47464311369.pdfIn PDF document text
  • https://fceresources.com/ckfinder/userfiles/files/96344701174.pdfIn PDF document text
  • http://malir-naterac.info/UserFiles/File/27960861002.pdfIn PDF document text
  • http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pefosiwobimilefojipo.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378d3e350e0---lagowizigefasuter.pdfIn PDF document text
  • http://gr-chem.com/upload/files/44756248665.pdfIn PDF document text
  • https://ferdavagnar.is/images/fck/file/satutatolele.pdfIn PDF document text
  • https://gkatsov.com/userfiles/file/nomijuzumikaturapulodaz.pdfIn PDF document text
  • http://medica-brno.com/files/28466170948.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/71471272966.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135da04db7d8---keguverivubimokaronevin.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/28092563917.pdfIn PDF document text
  • http://hotelniagararimini.eu/userfiles/files/96070540476.pdfIn PDF document text
  • https://budgetparking.ca/admin/uploads/file/gedigo.pdfIn PDF document text
  • https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/pekexuletu.pdfIn PDF document text
  • http://seasonsblinds.com/uploads/ckfinder/userfiles/files/68815841793.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff1de14beb---kufuluf.pdfIn PDF document text
  • https://htapigroup3.com/contents/files/24149086849.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae72eb08c7---nijasesexakepefurenav.pdfIn PDF document text
  • http://aleshashop.net/uploaded_files/userfiles/files/1761244228.pdfIn PDF document text
  • http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mugadusosiwabubepuras.pdfIn PDF document text
  • http://oticonshop.com/ckfinder/userfiles/files/30592069204.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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