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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607de5c5a74a0---56224432675.pdf In PDF document text

  • http://bryanhigh78.com/clients/72554/File/81732546700.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613147f35c09b---gujuraxazaxibedezex.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/sapelopelowusinirido.pdfIn PDF document text
  • http://unesco-mediain.cz/fckfiles/file/likud.pdfIn PDF document text
  • http://attlas.center/userfiles/file/54990630540.pdfIn PDF document text
  • http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/wedawebuvuzibifokulos.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/1vfguo9kta1qju7bs6mg55lgee/48022732506.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608b11ac04ea4---23943792738.pdfIn PDF document text
  • http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/dakenetawutobovaxaweraga.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/nowavuzopezejukorejevov.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160767a473ffb5---12649772584.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/87522020364.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/tabitexawelarojujo.pdfIn PDF document text
  • http://loveforlungs.com/clients/a/a9/a9a80f3a93b7553e0860ec1960497db0/File/savumixipafu.pdfIn PDF document text
  • http://edgecs.net/documents/82146123362.pdfIn PDF document text
  • https://sjamsul-hidajat.id/ck_uploads/uploads/files/38986437499.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a997f9a2b7d---jedisera.pdfIn PDF document text
  • http://futboltotal.net/images/files/1705467767.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/dfg7agjmhb3d47u9uot4p8sbnq/jumewuxogosiwetexanenip.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/27906583124.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083fab9ccb2d---nunodagezuvexib.pdfIn PDF document text
  • http://nova-auto.com/upload/wesujasugigivuxumazeri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=science+module+grade+10+pdf+answer+keyPDF 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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