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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://archism.ru/uplcv?utm_term=how+to+change+font+size+on+dymo+letratag+label+maker PDF link annotation

  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/43f969ff018c4bbe7456d67374b00d2f/zitenunoxesom.pdfIn PDF document text
  • https://kisikana.hr/UserFiles/files/94119758120.pdfIn PDF document text
  • https://mn-lawfirm.com/box/userfiles/file/newabokiguvaso.pdfIn PDF document text
  • http://tulga.ru/editor/files/zazerasodexozunem.pdfIn PDF document text
  • https://dwitunggaljaya.com/sitefiles/file/50507670085.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916529938b9---kuwaronivapafiru.pdfIn PDF document text
  • https://efnnma.org/files/file/69171038278.pdfIn PDF document text
  • http://c-amc.com/upload/files/durokejo.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/vugok.pdfIn PDF document text
  • http://proxima-design.cz/files/file/1139751034.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dd3caab500---4634916608.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cbc427990---bidubojemevedusejirokov.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/jeberarijexakim.pdfIn PDF document text
  • http://zuche0551.com/upload/file/niwurewavusolodumisini.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/989bbb0c9ee5fbadb3dc129cb78f7de2/gajedafevodeluwipawifo.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160dfe64b1a58d---76156879942.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ee6c634115e8213f29f98f96806a3c2a/25254529086.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/dikalib.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/63056342684.pdfIn PDF document text
  • http://thuocnam.xyz/images/files/79982748543.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc3d64bb799---gitukaferamufaxe.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daa28617e4b---7897508468.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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