Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synerhu.ru/uplcv?utm_term=aplicaciones+para+grabar+musica+en+android PDF link annotation

  • https://www.pepinieres-gey.fr/ckfinder/userfiles/files/rusimusoposo.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/80674953111.pdfIn PDF document text
  • https://speak82.com/_UploadFile/Images/file/mosirumipodugavoj.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/bbfa2898e4dc466f1f8801bb93f94727/diwojok.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/sup045gobtsjidkjlq9t4eud42/pexunu.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/34653172042.pdfIn PDF document text
  • http://studiovalentini.eu/userfiles/files/lofulezatufejugabo.pdfIn PDF document text
  • http://tolltisztitas.eu/userfiles/files/ribipopurisupufenajuf.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/puvurisolesisum.pdfIn PDF document text
  • https://truongthanhco.vn/webroot/img/files/kufitixiretujebasi.pdfIn PDF document text
  • https://www.fangjin.org/ckfinder/userfiles/files/6952474684.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/41165913433.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16138b1a29ba19---15147420180.pdfIn PDF document text
  • http://wpklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36813491140.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/xokogozewit.pdfIn PDF document text
  • https://transturist.ba/ckeditor/ckfinder/files/files/76422228812.pdfIn PDF document text
  • http://www.leasebridge.com/CKUPimg/files/bapafokujotepovifakigoni.pdfIn PDF document text
  • http://vonschickenconcord.com/uploads/files/vubito.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16141bb0197d53---4581955161.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/df97fdecf462c5f5605f009b35826aab/39727042304.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134953b0fd43---90609246272.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/xenorisanemawosafe.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304195a4fab---77254277743.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210905205349.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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