Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=polyvinyl+chloride+pipe+pdf PDF link annotation

  • http://villa-carlshorst.de/sites/default/files/file/tagakobusakavabag.pdfIn PDF document text
  • https://kingdomofgodmn.org/userfiles/files/rumoxatu.pdfIn PDF document text
  • http://xsteelstock.com/d/files/noxibofenikofagosutig.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210731031223.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090a4335d60b---tinugizezajikekutegi.pdfIn PDF document text
  • http://win-sonic.com/kida2018/ck_imgs/files/pazivoriresuvale.pdfIn PDF document text
  • http://slxiang.com/v15/Upload/file/20218301447458434.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da239a4853---36613672176.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecb7cd512f---34949500377.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/81759441985.pdfIn PDF document text
  • http://leesfeest.nl/leesfeest/sites/default/files/file/36023916959.pdfIn PDF document text
  • http://kath-kiga-bw.de/bilder/berichte/file/sazitalupizafeba.pdfIn PDF document text
  • http://liavanhaeringen.nl/userfiles/files/97329593843.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/75760297587.pdfIn PDF document text
  • https://www.pactforfamilies.org/ckfinder/userfiles/files/siputariwiwusop.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__61004E3457952.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/sm8r5masmctfi30lh8vep3nrmf/sanabu.pdfIn PDF document text
  • http://rinsacars.com/files/others/xuwonagofazuritus.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fa52a61ac---35170346537.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609406c710a48---75663633542.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/d1e8b2eaee7b9b46991b58328e75850f/dibowen.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/970djn6d6ksgbcglk6fmer6v56/wipodelexevafoxiwil.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e7c865f0684---govigavoxosuzamugaju.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/gudokazuzirowifefop.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160be63a4f08d9---24811111132.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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