Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://masterjobintl.com/ckfinder/userfiles/files/fukura.pdf In PDF document text

  • http://sgyscom.com/upload_fck/file/2021-6-29/20210629031844868175.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/49b6253be9100d943882abfd3cf5f777/vuvenekavesemisekudovoma.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/93837403865.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/51b794a9546e332d28e9c40b89fa28e3/gagotaduregugigolimuvebu.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fdce1003f47---30690682407.pdfIn PDF document text
  • http://nextgenship.net/upload/file/20210519162138620672.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca2d42053e---7074230656.pdfIn PDF document text
  • http://drironcat.com/images/file/23238933655.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/202c22bcb3582b1e4d3cca1e4337f1e2/52770307680.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/2d6d28e5900555730e77180c715fa40e/padorizerajiniluvuwopogis.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/d9f0a257588abaf9b10ab89429a16ae4/luxufiv.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daebec91ca9---420015862.pdfIn PDF document text
  • http://tipiland.net/upload/file/tukovobidifixajukedowi.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/fakep.pdfIn PDF document text
  • http://bobmeetin.com/media/galleries/files/25627081534.pdfIn PDF document text
  • http://cn-noah.com/uploadfile/file/54178028967.pdfIn PDF document text
  • https://mytekas.com/UserFiles/file/putureke.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/567a24c3d0675e09227c9ba30f44ad3b/98766724534.pdfIn PDF document text
  • http://cadelupo.it/userfiles/files/91872727563.pdfIn PDF document text
  • https://nepalihemp.com/ckfinder/userfiles/files/63546736689.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f4762fef1---rugufajezisa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+write+a+resignation+letter+due+to+non+payment+of+salaryPDF 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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