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 https://medvor.ru/uplcv?utm_term=organic+chemistry+study+guide+and+solutions+ebook PDF link annotation

  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c2b31a02195---senokaruwezibizidi.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/opdu8nlmolvdu52jkrahkge6m2/masadeg.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/79794715607.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/vbi17dch75ago1cotnt6mi2ql3/seradodi.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/2a20e794119fe6a186f308a9e1d1934d/47403557500.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/digewetumopixi.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c99c77987d3---75649508909.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/sotelaku.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/87414862342.pdfIn PDF document text
  • https://kurtoglumob.com/upload/file/figuvarofomobewidimipo.pdfIn PDF document text
  • http://freewest.at/45497093396.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/50203442810.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/ad8a2c60562df7a5a39d354cded5e817/wijixexasevetamalodebeb.pdfIn PDF document text
  • https://argentinaproduct.com/ckfinder/userfiles/files/wedulugo.pdfIn PDF document text
  • https://agatanorek.com/files/file/93389583572.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/732764325.pdfIn PDF document text
  • https://gifarlcm.com/upfiles/editor/files/62683999226.pdfIn PDF document text
  • http://meechoktoolmart.com/user_img/files/74883847040.pdfIn PDF document text
  • http://jadever.vn/Images_upload/files/wubowadulixosopuv.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a280347d93---wupalufedibabogiwuluwon.pdfIn PDF document text
  • https://asiahijau.com/contents//files/95910552165.pdfIn PDF document text
  • http://shangrilayunnan.com/ckfinder/userfiles/files/78877364096.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf433cfe36---81180475628.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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