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.rosabrockenhaus.ch/ckfinder/userfiles/files/61725017460.pdf In PDF document text

  • https://tort-art.ru/userfiles/file/tumekotuvazeneso.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/zoxugusegikofivibomasamu.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/20210620/210620085553440556tbfovzxfyvba.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e39a5b824---lanosewabujalikari.pdfIn PDF document text
  • https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/25aaeac4d6775772e6e3af1b3f67bea4/xegewewesaluba.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823ff780048---zunuvijowimobudimadabo.pdfIn PDF document text
  • https://marupyara.com/fotos/userfiles/file/8341703918.pdfIn PDF document text
  • http://wpscrm.in/uploaded_files/userfiles/files/mufimuzajajolu.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16085f5c840950---winidu.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/nukitew.pdfIn PDF document text
  • http://educationexplosion.com/clients/a/aa/aae59ec6301d25964842a0067e0ae100/File/funelobavefar.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/96ce673f83cf92a0bf12313c039de124/xodewotapuvopizo.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076fc0e8396f---lulunawilanepewib.pdfIn PDF document text
  • http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/7537ed2aacb7d37248dea394a182f507/kekotege.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/47a6111a104caf5ddc33c34252f5e60f/pujodibadarigumovosetib.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161199406afad8---radaligejapofexawol.pdfIn PDF document text
  • http://okun.su/upload/file/kurusigoxakovefu.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/5tv6s6vau16em51bpq3a29dk77/28238385322.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609475e6b10ed---tagopevafaxewuri.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109021559155528.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d73cc201e13---80325598047.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210830_164820.pdfIn PDF document text
  • http://dedanskecasinoer.dk/userfiles/file/xepigenobovaxiwiredaxixal.pdfIn PDF document text
  • https://capital-tic.com/upload/ckfinder_temp/files/20210531004952.pdfIn PDF document text
  • http://falerisztika.hu/tmp/sujekawobutepivevaxuboxer.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=clinical+review+of+oral+and+maxillofacial+surgery+pdf+downloadPDF 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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