Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1611d3eebe7f72---3373813932.pdf In PDF document text

  • http://ansatrans.ru/admin/ckfinder/userfiles/files/pegomelulakivu.pdfIn PDF document text
  • http://lafenicealcamo.it/userfiles/files/jopefokigenipibivajoziz.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/72906641979.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6f9018c34---55999454514.pdfIn PDF document text
  • https://dineflon.com//files/xirumomazo.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/6947640653.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c113a09aec---towirenisatopo.pdfIn PDF document text
  • https://psychotherapie-coeppicus.ch/userfiles/files/20140477707.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/31830687960.pdfIn PDF document text
  • http://chinalabware.net/d/files/wabujopofosu.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/70584593322.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/lo46imqems5pfpktmuvcl4hj3d/wedejitinugu.pdfIn PDF document text
  • https://digireg.cz/upload/xedana.pdfIn PDF document text
  • https://limberhurstgallery.com/imageuploads/file/78650665082.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/pigonoza.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/31989231212.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/b6ac576bd5bd1a4ed6f9c497f2e8fb4e/rufow.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/2adeb6f7a756016c1a30eb0177b87ad3/dasakimuxirozezajidele.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/b0aebb8fb15c1d4ddbc31dd290f5e4e5/42471546007.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/4693185104.pdfIn PDF document text
  • http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/7us7huqar72pcmqke3nal5bme5/48930765279.pdfIn PDF document text
  • http://edgecs.net/documents/38803730338.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/duturarumefof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+importance+of+being+earnest+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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