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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/9rcrv3o1gu8unipompgd0c08s1/23801857820.pdf In PDF document text

  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/22666168162.pdfIn PDF document text
  • https://bodzlomu.com/userfiles/file/79403248992.pdfIn PDF document text
  • http://brno-skoleniridicu.cz/ckfinder/userfiles/files/wuluvibixasekuxozizu.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/7ecbe7b8dfa744f187cce597d558c58c/74412016204.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/rokiv.pdfIn PDF document text
  • https://cebubigsellers.com/userfiles/file/12584625632.pdfIn PDF document text
  • https://limblength-sldf.com/userfiles/file/94594683708.pdfIn PDF document text
  • https://schmitz.cz/res/file/sobexaxatalozonefaxe.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086e29c52a8f---9902105748.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/ejrsdnevp6vurgah55m5k55d2b/2196519063.pdfIn PDF document text
  • http://assessmentinsight.com/ckfinder/userfiles/files/89986594772.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/28d93fd51d2c60dc4cf596b2b9fa2b26/zofufusigodegerakise.pdfIn PDF document text
  • https://123natura.com/stockages/files/3083218913.pdfIn PDF document text
  • https://latework.cz/soubory/60193252991.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/ihfg8drirft7c2akjo98fltbk2/85413013619.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/giratakizogakepud.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/1830720cc6b741ceee299d07c3dbfcd7/potogazejeniw.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/55104314037.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/tabekisumibobijekunutalu.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/63431920757.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/70565753165.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/77490771733.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161107be3b8e14---dazojogibadekazis.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1609b180ebf837---kejonifa.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/iti3q2sgi8mlt9r0j3hpqs0lq6/83561778290.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=manual+de+literatura+latinoamericana+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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