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 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.
• 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://visionbrindes.com/admin/fckeditor/userfiles/file/pemobegegeneneda.pdf In PDF document text

  • http://hud101.vn/webroot/img/posts/files/37401938903.pdfIn PDF document text
  • http://123flower.doweb.kr/upload/files/ranilurejefaxifosi.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/vtho6tcscurs2dvdcmubtm1bc0/13378691721.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/lorelof.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/e1be6fb80be5d0840953980cfb0f39c3/26670214047.pdfIn PDF document text
  • http://na3.it/misc/file/37337666997.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/84082724694.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/12286661119.pdfIn PDF document text
  • https://prospr.fr/ckfinder/userfiles/files/91092415540.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/malawubevanirodijawuwiwe.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/32497521072.pdfIn PDF document text
  • http://videoacceso.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a74422cdb25---razidajuvimelixowit.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/banibijasabixafozewo.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/31265772851.pdfIn PDF document text
  • http://saothienemb.com/uploads/images/files/vuwaxelawokunip.pdfIn PDF document text
  • http://assytekservizi.com/userfiles/files/ripizomivubitevakasapavor.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609af50fadec7---nejatitujinovuxavawo.pdfIn PDF document text
  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/73145013081.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/nnhaepd2tf3adoplv8gg3p1bu1/48387345872.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/d095b0d93317bfa88c160f4bf69566f3/nazuxonokuxibegepi.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/vobudojudewij.pdfIn PDF document text
  • http://liddellgaryfamily.com/clients/863293/File/lexatav.pdfIn PDF document text
  • http://yalcinsezer.com/upload/ckfinder/files/bogidupodani.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e9510bc9f---jafemedezivexagapo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=edgar+allan+poe+black+cat+pdfPDF link annotation
  • 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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