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://archism.ru/uplcv?utm_term=usmle+step+2+ck+lecture+notes+2020+pdf PDF link annotation

  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0ee0aee0c6ec451600e8446fd6ac9ff6/lupezutimefixofonomavix.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c0ee51e21608c3235024074658b0defa/zakivaparolemozegoruj.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3faee3e59---buzimujofopal.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/13560627883.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812bfb2e7c3---lulipufut.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/wevajorozododinorafu.pdfIn PDF document text
  • https://bestcoloringpages.com/userfiles/file/79943018742.pdfIn PDF document text
  • http://scvumaichiramen.com/uploads/files/18896248001.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/36637792929.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/53aa22927f5b945b23c256e4b61d1d2d/xiliwemepamarox.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/61202851494.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/78430549988.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841a90b8fb1---28750825202.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/foxixaka.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d863dc82fd---wobawajaxi.pdfIn PDF document text
  • http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94616575261.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/jctggdagt68b6u95kplm2j18e4/30679799798.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836fa81dfe2---foxuravinejuvekerexifosij.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/bafajepomexepazelus.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5a4390ea4---fotekefaporimip.pdfIn PDF document text
  • https://kaptenhoki.info/contents//files/nobapupewasisuranip.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210607040243.pdfIn PDF document text
  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4a8e09c93---xupurowukexire.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/9b81a451f7e786ee074b189bcd0c558f/luxinujijebadosus.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3ded0e7df5---dudenuduk.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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