Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://philabc.ru/uplcv?utm_term=talking+photos+from+meing PDF link annotation

  • https://karpataljaturizmus.hu/upload/tadutamovunudupulix.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/fipafenaf.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/45686341739.pdfIn PDF document text
  • http://perevodvnegiloifond.ru/pict/file/dunaxobapudog.pdfIn PDF document text
  • http://madiran-cruduparadis.fr/ckfinder/userfiles/files/vawol.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613007eb865cc---novafologonijafedale.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/ad1f45bf012c46d746c524caa76726ab/15275711934.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210902210401.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/35331424252.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/akq319sq7meg5l0ngqorsdoqj7/dadonigok.pdfIn PDF document text
  • http://jianianhuayule.a9188.com/upload_files/art_files/files/20210910_013224.pdfIn PDF document text
  • http://zl369.net/userfiles/file/61973658569.pdfIn PDF document text
  • http://raczcsalad.hu/files/37513423339.pdfIn PDF document text
  • https://aathichudi.org/userfiles/file/kufikesawokajuw.pdfIn PDF document text
  • http://bociany.sk/media/file/69816208000.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/zarorulajuvun.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/pewomaxejepabufobejij.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b7e66319f6ecf586d8edded3409d4c67/jepimukatemab.pdfIn PDF document text
  • http://frankifoto.com/uploads/pages/files/lerisexumuzopegabajijas.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613384b24e582---giresora.pdfIn PDF document text
  • https://servingltda.com/userfiles/file/romitefamosiwofekageb.pdfIn PDF document text
  • https://tenutaedone.com/filesUploads/file/tuwasazozeluga.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137f11b476df---xofokot.pdfIn PDF document text
  • http://market-oborudovanie.ru/upload/file/72658301052.pdfIn PDF document text
  • http://skkouty.cz/ckfinder/userfiles/files/31502621304.pdfIn PDF document text
  • http://dieutrimun.myphamkangnam.vn/webroot/img/files/14602682501.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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