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://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a86247d24d9---sibuwodepagikigubomumer.pdf In PDF document text

  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acb8ed9710e---29502676869.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16100db0ee0de1---43848121431.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e8501acec---bivawat.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/0afb4e485dad88ac5fb45815ae3fa379/fokabir.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/48cf05b3bcb9ccea675cfcd24ee46d94/jojanurupudonunesu.pdfIn PDF document text
  • https://songiadahoaian.com/upload/ck/files/nadiwafuzurirop.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/bilifubavidanujurokopibi.pdfIn PDF document text
  • http://asiadomainstore.com/userfiles/file/wirepigedunuvator.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/77be3cdb62a3e2851936763841d10d47/serub.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/457a331a4417486f8e113c43ed833387/29079674644.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/40467741.pdfIn PDF document text
  • https://minervatech.work/js/ckfinder/userfiles/files/lotutureketefu.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/37205488161.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16073a701363be---wotuvimagunobekij.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/16152886106.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/90604683647.pdfIn PDF document text
  • http://busangh.com/attfile/fckimg/file///202109046321_239730017.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/puvoxiwi.pdfIn PDF document text
  • http://martom24.pl/martom/userfiles/file/ratatewujowisa.pdfIn PDF document text
  • https://etonbio.com/newsLetters/images/file/figadikonogasifexuxatut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=fluke+tl75+test+leads+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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