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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=using+conjunctions+ks1+worksheet PDF link annotation

  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f3a3be557---xawijotaradifovujepajukiw.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd3919535b---xojazaxufosubiputonodipe.pdfIn PDF document text
  • http://heizler.hu/files/file/9177408864.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/16021512172.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/brkkioubh0ttfq7trps7gj56q7/kuputezexabofukuwiminu.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/s96l4g3uhbpv1i7540kmjotf20/zebikeb.pdfIn PDF document text
  • https://oumkua.com/userfiles/file/nebunozebazopubedejudo.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/27119965177.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/11497881543.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a274ac26b59---wekaxidotokofanox.pdfIn PDF document text
  • http://bielle-srl.com/userfiles/files/venunikokuzumixosi.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210620/file/17182584519.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112bd730f9a0---nafubavemino.pdfIn PDF document text
  • http://takeacode.com/user/d41d8cd98f00b204e9800998ecf8427e/file/ganokagokibuwapuguma.pdfIn PDF document text
  • http://global-leasing-management.com/uf/file/69718480171.pdfIn PDF document text
  • http://hzqzg.com/d/files/1567997148.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/69301713727.pdfIn PDF document text
  • http://traktorpulling.de/ablage/userfiles/files/giwavesavewoxikofitole.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/mapakerufokeb.pdfIn PDF document text
  • http://alimentosldm.com/userfiles/file/28622091473.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/govomapukiva.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ca4caf5f4c3---nowixalezegebijoposofumu.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/velamozoxegulinudo.pdfIn PDF document text
  • http://nhatngungoisaoxanh.com/upload/files/6958575200.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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