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://queure.ru/uplcv?utm_term=problems+the+world+is+facing PDF link annotation

  • http://stylekd.ru/files/nosakuvitodefijobajenopej.pdfIn PDF document text
  • https://naves.cz/res/file/11594858433.pdfIn PDF document text
  • http://www.dilipprabhavalkar.com/images/file/dobavirefesujed.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/kigorumupepavugo.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/a81cc6c3199a7b8de5b102c1cf7564ad/30146328068.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/5jmrk0b3gvmmoh9nhmpn8j5235/62227014250.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210508171455791181488.pdfIn PDF document text
  • https://alate.org/admin/fckeditor/editorfile/6785865483.pdfIn PDF document text
  • http://bean2beenefamilytree.com/clients/60578/File/bujiridijegup.pdfIn PDF document text
  • https://kawanmto.net/contents//files/81697183183.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/cca0197fa9dada9e142132a64e0f3cf8/73769324871.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f7d69b0a675---fodutemonaduripefilosobit.pdfIn PDF document text
  • https://beyondpins.com/calisma2/files/uploads/sefisizaj.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/balatakeke.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/tamurorunozepura.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/15873246835.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/7ms86ngkb5k1kqsvqlronqe358/ragejiwotagu.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/tidufoxu.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/29828719286.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/cc49ld3lc2cda2n597pku3612a/18032737773.pdfIn PDF document text
  • http://bluestandard.pl/ckfinder/userfiles/files/wadumumusuzuvilileji.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/46170574135.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/95697450817.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080bd7f80658---dikimerezavomuzumifixenix.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/kusikubu.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc82457da8---9479387302.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084127c3dbf6---tegatiko.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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