Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://writtenmail.com/upload_images/file/sukuvosupade.pdf In PDF document text

  • https://morganmethod.com/ci/userfiles/files/52110684696.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/98138559997.pdfIn PDF document text
  • http://ubestsports.com/imager/files/20210714031126.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/xusozukamaniwukuluzi.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1424b35110---lugujewoxeludejudafosu.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/14343203898.pdfIn PDF document text
  • http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/44818491481.pdfIn PDF document text
  • http://esistore.de/userfiles/file/9619750367.pdfIn PDF document text
  • http://lpsa.cz/userfiles/file/84290768666.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/uljek6iomb7omoqt0sfiaas7eo/nutuxisubekimel.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/58be1d977c470bb33ae1354625ff3d24/najejatanukunob.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/36869025689.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/213480a90d8a6cecbfe920e98b2a3f96/28293072139.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/4b313a87f9b2413b1fa00e280bc0f4b5/958982201.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/632cf4f0ee70b92f2dc47201fe0c0f3e/24397779432.pdfIn PDF document text
  • http://gsemilia.it/userfiles/files/boxuduxalojumen.pdfIn PDF document text
  • https://ka-base.no/images_students/files/70845277698.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d38a9845f---46912138769.pdfIn PDF document text
  • http://varadimasszazs.hu/uploads/files/44587778595.pdfIn PDF document text
  • https://vadihosting.com/calisma2/files/uploads/84430354584.pdfIn PDF document text
  • https://spacio.hk/attachment/file/zinaguwomokiposubisugobab.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608acde881169---49637851090.pdfIn PDF document text
  • http://cphs1970.net/clients/877309/File/27810989227.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=day+trading+the+currency+market+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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