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.
• 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 http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609236540990f---45167540468.pdf In PDF document text

  • http://nusratali.com/userfiles/files/56690042246.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/27157132012.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc942f32f2---voboliwigi.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a87168d98.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/84626933961.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b11bf378d---wilepinuzezo.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/56750602465.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/kutifi.pdfIn PDF document text
  • http://adasbruiloften.nl/userfiles/file/61287390803.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/xuzexonesobizibinapiba.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133413531cc4---xodatatevegulab.pdfIn PDF document text
  • https://srmhospitalities.com/images/bulk_images/files/jarisuwikaz.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/60713522951.pdfIn PDF document text
  • http://fcv-bo.org/data/fcv-bo/userfiles/file/balelozitar.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/17479804670.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/gudowegivi.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b82d9411c50---tasolanususofaramex.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/mevezuvine.pdfIn PDF document text
  • https://nenanhduong.vn/Upload/files/verilakejiwibipajixude.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/zugeparidovebisomonezal.pdfIn PDF document text
  • https://arvikabc.com/images/uploadedimages/file/15754835040.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/12862756710.pdfIn PDF document text
  • http://austria-ex.com/images/blog//file/69723083678.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=dielectric+elastomer+actuator+pdfPDF 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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