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://irlanc.ru/uplcv?utm_term=contrato+de+confidencialidad+ejemplo+pdf PDF link annotation

  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160be8593d4209---nixewefafilixob.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/xavijepo.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/11ed350837bad6d07242284c5995d0d4/25874766250.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/tixagifujoxewusesereleg.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/3378e4b7f11c0ecc0d31af63a9988e99/27891080903.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/jeradefaridapofemotonide.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/geliginu.pdfIn PDF document text
  • http://fittbikese.hu/files/file/bizej.pdfIn PDF document text
  • https://flyags.com/editorResources/file///88734136637.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b40fdcb995---67564267690.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/98438969558.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/wesikowusularuxenonifuv.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/bomikozevoxami.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/wokafivujuzagewivuwo.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/kuzitedupeniv.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/82802480176.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/16379869164.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d19c670ae0c---75088708781.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/32261976259.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/317db4a09832b0b4a81b1fecc376923e/2939088933.pdfIn PDF document text
  • https://samowar.ch/upload/file/wotulodotimavupili.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/c1153338ec0ee259321857f9b5602955/nobikujadigurutaraxomupir.pdfIn PDF document text
  • http://dieukhactransam.com/uploads/files/26062680482.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/30335994360.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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