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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://crysiq.ru/uplcv?utm_term=minecraft+apk+monster+mcpe PDF link annotation

  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/b7eef18eb471223d752d8938af4b03c1/84021561280.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/65406104740.pdfIn PDF document text
  • http://myarrahnu.com/mo_images/files/bigirod.pdfIn PDF document text
  • https://krygina40.ru/UserFiles/File/nomuxemonejovobesolawo.pdfIn PDF document text
  • http://balade-pierry.fr/userfiles/file/rovaletutujit.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/rawawemisu.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/gefukukafulaxojoxemab.pdfIn PDF document text
  • http://bergepkolcsonzo.hu/userfiles/file/manapogizogosuve.pdfIn PDF document text
  • https://www.aicsmindia.org/ckfinder/userfiles/files/10753755900.pdfIn PDF document text
  • https://yensaovinastar.com/media/files/jidinurikir.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4200094e7---81007185889.pdfIn PDF document text
  • https://taumed.kz/upload/2021/09files/210905093822409932v24ur.pdfIn PDF document text
  • http://car-zone.sk/data/data/file/84160205310.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135afe2bf0c1---34246150935.pdfIn PDF document text
  • http://suncitygroup.ir/basefile/suncitygroupir/files/zaxoxopadujojajinuxegevib.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/raturufex.pdfIn PDF document text
  • https://markapin.com/calisma2/files/uploads/meguziba.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/biruzageloroneguvu.pdfIn PDF document text
  • http://kliknetezde.cz/admin/obrazky/file/40558150724.pdfIn PDF document text
  • http://jainfarms.com/uploads/28719966679.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139b13d6f6b4---seveninuv.pdfIn PDF document text
  • http://bergepkolcsonzo.hu/userfiles/file/dufipenolodefatugelub.pdfIn PDF document text
  • https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/jisunuj.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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