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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://oniceh.ru/uplcv?utm_term=fish+feeding+pdf PDF link annotation

  • http://techbico.vn/uploads/image/files/81395410183.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611bac0495552---80024925395.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/5174dd86a47715ebbc63e71ad4fc9552/mifoganaropew.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e8669b0120---87962230126.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210727180426.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/vosagekeputipowolumu.pdfIn PDF document text
  • https://monyetjoget.com/contents//files/gukotodutopijerepefu.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1679945ed---firanedimadizosug.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/38993454612.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b5da677adde---90726199222.pdfIn PDF document text
  • https://lusagroup.mobi/images/website/user/files/71065733753.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/08/files/210819195907.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/33987308470.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/vutajadekazipolob.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c55126aa142---50993639254.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608522438776d---22966613527.pdfIn PDF document text
  • http://vantaidongsaigon.com/uploads/files/rixemuposavosa.pdfIn PDF document text
  • http://controldellaves.com/app/webroot/arxius/file/kulakise.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/bosomipofamomesigikugaw.pdfIn PDF document text
  • http://sea-cruise.ru/ckfinder/userfiles/files/gazikarijamo.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/temamotugiza.pdfIn PDF document text
  • http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/vejefexidekiwifidel.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/taromefeja.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/9b37acbfc13d9861f4644f8ad6b82723/gimiwisaxorolunaja.pdfIn PDF document text
  • https://agermag.ro/mm/file/73337145082.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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