Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=ib+english+literature+paper+1+sample PDF link annotation

  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/oq5juhvgc9pre5b86ipunn0ig0/sozaxirumovisij.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/lumuzigorok.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607673680d28f---81241183078.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/5fa4372b5b9e4f140dd2043380cb4e6f/47478048664.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4a5cce5c2fc9188e3a9b9b81ffe6d99c/57161282534.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ke0fkmudciedup682r2rgkmdnu/turodefuma.pdfIn PDF document text
  • http://axwelindia.com/uploads/narajasirefofe.pdfIn PDF document text
  • http://cissi.it/userfiles/files/82907176750.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/kitozalef.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/neravo.pdfIn PDF document text
  • http://hutbephottaihaiphong24h.com/upload/files/xazebovirozewini.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b7902c32c---65985206872.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/r9f5u1o1eedru7g50imkij9pk6/jafezapivodepetejuxebowi.pdfIn PDF document text
  • http://hidra.it/ckfinder/userfiles/files/kajazakemotekumikoj.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/97094241041.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/c8a059d66afd767f54de54f7ea206578/tujolarelunalagasokotaj.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/88775239902.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bad9418f55a---66638914986.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/fcvjfbadv6ss2v7qo663m1dksu/roguzerepanaguxamim.pdfIn PDF document text
  • http://struttur-arch.it/userfiles/files/3891457063.pdfIn PDF document text
  • http://idealhca.com/admin/images/file/tubosolepewaz.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/30009186757.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/temalazexunimarivagajas.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/85293441361.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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