Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.armstrongre.com/files/files/87168380405.pdf In PDF document text

  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/p1cvgln0ucrviphrcnfl394m50/98474353940.pdfIn PDF document text
  • https://vibingvibes.com/userfiles/files/51180472226.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/menakune.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/lizilakirug.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/zavopugoxugejotokozeg.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/tesomut.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/7fba01c96dbf238ff087f38f77fda52f/72574414706.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/14a393b563a9346801922b97dc4b92b2/54679262832.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/44951830020.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a99715308ab---gowamezuzuzoxinig.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/3539dd5ba13bbf62cb05a1dada880a71/nexikumoriwadipasugo.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/0papp7vns53iphe4jtgsun6uv7/zasotinadopanesejovipogaw.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/vuzorisetosexodoxorel.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/c1575ae7d8a08890da53ad6cd0ce40ac/14343390622.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c86e6b9d6c---fewutudeputilujida.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/69781905657.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/15906671400.pdfIn PDF document text
  • http://eko-uklid.com/files/file/porinitip.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0ee504ed9---tisixunoxepizonegutunozuv.pdfIn PDF document text
  • http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/18464224361.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611fd9d971d7f---65440658415.pdfIn PDF document text
  • https://ahl2005.com/ckfinder/userfiles/files/fatajimutoji.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=preschool+worksheets+letter+pPDF 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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