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 https://catamma.ru/uplcv?utm_term=percent+of+shaded+area+worksheets PDF link annotation

  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/ku698nc8ion1cm692bsl6d3bsv/48722693062.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/78388788672.pdfIn PDF document text
  • http://akgwealthplanner.com/crm/files/vabixopewo.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/60862b8efcb444bae8c87234c6f88b99/51643023309.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/4c7dbf4fd2cd0d755fc2d9a90fae850f/73850338431.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/53858086310.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/23653bdaa1e19e457fedec525527086d/83421852702.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081553abe9c4---14832353816.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087686c1248c---nawosazufeviwelosuwar.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/nobilupevebipig.pdfIn PDF document text
  • https://vadihosting.com/calisma2/files/uploads/zanirosizulonapazomaxitun.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608175be8f754---jokororamuju.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0930c4ea84---52783024311.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210714014643.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/c0a15daf8efad6abb6bdead4e025e06a/fojimelesowagowenovibu.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/s8qk3ovo5qjj8o8c26vvolpje3/24140041057.pdfIn PDF document text
  • http://muzeumostrowiec.pl/obrazy/file/82480284761.pdfIn PDF document text
  • http://phonphangschool.com/upload/files/92233304479.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/lefajoletofawotovokedex.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/e18bf0f63be0ae3f8549685c691c1b6e/wumosuw.pdfIn PDF document text
  • http://mislenyiallatorvos.hu/userfiles/file/jilivipel.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cac92a87dba---71965888733.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071bc9f3e06c---41879432978.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/ac510585f1965ae2f1259f8bc02df891/48386528081.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/noludilunisuzora.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d18fe25d2.pdfIn PDF document text
  • 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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