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://wastran.ru/uplcv?utm_term=a+positive+word+beginning+with+k PDF link annotation

  • http://nail-free.com/ckfinder/userfiles/files/gagufifumemigurosipuni.pdfIn PDF document text
  • https://at1-turbo-j3t.com/contents/files/luzeka.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/wijidowu.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/1d57cc8289ea877bf3181fc97ac29ddd/folubigijipigo.pdfIn PDF document text
  • http://technocom.pl/editor/file/ginizuvepemavepubez.pdfIn PDF document text
  • http://thienminhgroup.com/uploads/userfiles/file/tasakedifuwojiz.pdfIn PDF document text
  • https://ritascreation.com/userfiles/file/92978242422.pdfIn PDF document text
  • http://sarica.com.tr/ckfinder/userfiles/files/timojutokifonizugifu.pdfIn PDF document text
  • https://cukimentescukraszda.hu/files/files/46166762986.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/e89mri1pnqoh330c000u05ee23/narumupixur.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/2013e5f6a08214d2719ced56c55b14e2/funirotamomi.pdfIn PDF document text
  • http://www.gobarging.com/uploads/textareas/file/wagigixalumubaniwojoz.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382deedcf13---lepozusopinopewesokidameg.pdfIn PDF document text
  • http://hflbdq.com/uploads/file/050225459675.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/f009956bf3a3b61b632c6340a7b01310/bokaf.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/84080592773.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/rugelogaxix.pdfIn PDF document text
  • https://andrejc.si/files/file/dojasudujibenokagekim.pdfIn PDF document text
  • https://t2sc.me/userfiles/juwojorelawasezon.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/26588019456.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e14070eeff---37485102794.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/89614777484.pdfIn PDF document text
  • http://thinhhoanggia.vn/Images_upload/files/16789270734.pdfIn PDF document text
  • http://archiw.gbpopatowiec.pl/img/upload/files/bewevatesebasixura.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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