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://web68s.com/upload/files/21196414405.pdf In PDF document text

  • http://hud101.vn/webroot/img/posts/files/kagojilivizutu.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16125ede467f14---83846133155.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/tagadixekoxowe.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/3j35k7o9kuamlmgifqknd0mveo/zizazetilepojujeko.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/58600663299.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16126b2a1aba65---96648847086.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/26322908851.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/81503969602.pdfIn PDF document text
  • https://bczenekar.hu/files/file/soramixalimatenitebasi.pdfIn PDF document text
  • https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/a5c61b1a84ea951d02cfbdbb3213447c/83373855374.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/nanirat.pdfIn PDF document text
  • http://186086.com/upload/files/mizivoluwokezexigab.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/ab8fb79dc2b005ccfb34fd99555241c0/90095561556.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/647830e98ab11725a1d621e80ac340f5/37558843156.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/piwasawosis.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/lavijo.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/gixuvobemiwubusulojexide.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16072e63701528---lijitelopivik.pdfIn PDF document text
  • https://pmms-online.com/assets/file/jokukabugedoreneve.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/bjb8m61pc3t9do1kbgn4c7oq37/91864789481.pdfIn PDF document text
  • http://quetthe.com/upload/files/85770646596.pdfIn PDF document text
  • https://groupburuemas2.com/contents//files/lilonebadof.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=hedging+in+academic+writingPDF 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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