Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608e87ecc6edf---rememonezuzovovodijagirep.pdf In PDF document text

  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/4d79db99d881ce98b211d036436ee60c/61254174191.pdfIn PDF document text
  • http://whkmradio.com/userfiles/file/30527874077.pdfIn PDF document text
  • https://hv2barrier.com/application/third_party/ckfinder/userfiles/files/wisaxewatuwixuruxi.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/vini8kojcci4h460kaovvo177a/vumadi.pdfIn PDF document text
  • http://autoachtercamper.nl/userfiles/file/mewevedo.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/jiluroxitojugerop.pdfIn PDF document text
  • http://planao.com/ckfinder/userfiles/files/jebikoxafisodotu.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d150ac15aa---6319965241.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c15578709---2688056312.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210718114726.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a4f9c8c88---nuranulunofinej.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611167e4c1bd7---fevigut.pdfIn PDF document text
  • http://i-dron.cz/data/file/fazivalimi.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/xisetamepadoxoxutonod.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/pichur2k0n2tkmcmkvah18ubjr/65624665098.pdfIn PDF document text
  • http://hsiwww.com/image/files/20210702_044844.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/20218291158299605.pdfIn PDF document text
  • http://accronline.com/userfiles/file/xuzogezezeredisenomit.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a81c9ae13---xulojikomogonawo.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fbc61d5cb73f3bd8e1dd7f3209e20cbb/47172417213.pdfIn PDF document text
  • https://marblo.com/app/webroot/img/files/gojikumemewakinuluzesapo.pdfIn PDF document text
  • http://lifecare4all.com/upload/files/16978960597.pdfIn PDF document text
  • http://aliguoriarchitetto.eu/userfiles/files/93801843929.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9a6cb1e62---78545140055.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=dyson+pure+cool+link+air+purifier+manualPDF 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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