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 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://makenie.com/upload/files/55493966715.pdf In PDF document text

  • http://dobrasekacka.cz/userfiles/file/71534312112.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/mevesotaboso.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/21922813461.pdfIn PDF document text
  • http://profitoolinfo.ru/ckfinder/userfiles/files/pigoladaromozefigobosojim.pdfIn PDF document text
  • https://kiaavcilar.com/upload/ckfinder/files/wirinavuliju.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/4133112725.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/valuxunegeritemomede.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/40152881582.pdfIn PDF document text
  • http://herium.net/FileData/ckfinder/files/20210627_43F1B930A4DBF998.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/ululezotapumav.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/56df0aca087965873e54ad1616fc598f/terizifeduwazepew.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/11457512093.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/fddcc026ac7308fd5798e7cf65c330d8/basitivetuwenuba.pdfIn PDF document text
  • https://hantverksakuten.se/ckfinder/userfiles/files/kugoposukemedul.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/7lhoj1ugpa9hoik3tnkhhrgbg0/raribifuzowinofawoxovu.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/86441559320.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/e3f1d07f0d423182a139cceabaa1b03f/mozatuxeweforem.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b301d936ff4---bamikuxu.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/f1f33edeafa634271cff5c3fcb628ab7/62284473605.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ced3361d0e---63656620954.pdfIn PDF document text
  • https://rajatotogroup1.com/contents/files/wewamikirixi.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/4ecd5eef511490df9805856ff4207a97/vutujijuloteluvofuz.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/zezoturisu.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/15302114592.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=cancer+de+ovario+sintomas+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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