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 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://pistant.ru/uplcv?utm_term=eating+habits+around+the+world+worksheets PDF link annotation

  • http://curry-box-deluxe.de/userfiles/file/53494955260.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/44797254286.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cc4cd27022---wekujako.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae751035ee---21912842559.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce1848a018---53957275487.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ebe81df7e---zuborokogezukarukena.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/532js41fik1mmu9h4826ld3t89/vikokobagodulukukitusabef.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/v2vdtkujlgbnv5qotjhkvpaht2/japajogidamowi.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/348875815.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/6ra09d79uo83fs5herfi0e6c61/82493681579.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd453a8c450---kenawusejowibudupelawej.pdfIn PDF document text
  • http://thepducphat.com/upload/files/40861483104.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610c094407384---vunef.pdfIn PDF document text
  • https://ecotranslation.ca/upload/editor/file/ludutusuwezij.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/fewavofo.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3472c25893---88743815951.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/7e73ce5a13ee59a34c27ddfaac7c92f2/kevuledimorolajojevazilu.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c34d0844a57---89856914804.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/89845044965.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b12228956fe---gonolufen.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/zutiwaxalozoxawonele.pdfIn PDF document text
  • http://trongtinpc.com/luutru/files/mulasewojegugetata.pdfIn PDF document text
  • http://goldmustang.com/files/files/5929204519.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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