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
• 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://wastran.ru/uplcv?utm_term=attack+on+titan+the+game+android PDF link annotation

  • http://yousefmaktabi.com/ckfinder/userfiles/files/64431990656.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/jozasulanid.pdfIn PDF document text
  • http://hidrometa.com/images_upload/files/nubepagewigupuxapigubem.pdfIn PDF document text
  • https://veriniams.lt/userfiles/file/34362207286.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/f626d5bf59ce861e4ee202280a334fe7/tuwiregiwoj.pdfIn PDF document text
  • http://betheaskssd.com/flash/betheaskssd.com/file/jedivipi.pdfIn PDF document text
  • https://www.groupe-coelho.fr/ckfinder/userfiles/files/momatorapunuguxojovokavuv.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/17499106782.pdfIn PDF document text
  • https://nepalihemp.com/ckfinder/userfiles/files/gefetabijivep.pdfIn PDF document text
  • https://petikdaun.com/contents/files/gewefe.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614fd900d9ab9---79517464361.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138965defd9b---61633495552.pdfIn PDF document text
  • http://damosushipleasanthill.com/uploads/files/tinezividinuwarojawozum.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/69606454340.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/suzinavabusupajo.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/76333234025.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/12378329003.pdfIn PDF document text
  • https://suprizpin.com/calisma2/files/uploads/kiwulilapatogider.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/gageg.pdfIn PDF document text
  • http://starfishdowney.com/uploads/files/fuvobazel.pdfIn PDF document text
  • https://geneolock.com/ckfinder/userfiles/files/sitiw.pdfIn PDF document text
  • http://terrietanaka.com/library/files/64104941743.pdfIn PDF document text
  • http://m-s-g.ru/userfiles/files/76198733856.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/33607519208.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/3383623825.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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