Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://medvor.ru/uplcv?utm_term=weekly+grammar+worksheet+punctuating+titles+answer+key PDF link annotation

  • https://vanchuyenduongsat.vn/upload/files/defubuvipuz.pdfIn PDF document text
  • http://dtyxbpzx.com/filespath/files/20210814151404.pdfIn PDF document text
  • http://studiotecnicolamanna.com/userfiles/files/bixizax.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/52737809881.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/skbcre5sc81mpjfkfhtj9hrgsl/gaseriwosilagopes.pdfIn PDF document text
  • http://nbkhjc.com/uploads/202107/file/21071914485664817928v0wvfg6p85.pdfIn PDF document text
  • https://kiameds.com/images/upload/files/96462958687.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/779b53fd4d170dccd03a70a074597688/wurugekanel.pdfIn PDF document text
  • https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/sotinagobokiga.pdfIn PDF document text
  • http://studiofelician.com/userfiles/files/53116813174.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/4da4c99326649dfb158deaab706a2e98/fipululitelokipukufimum.pdfIn PDF document text
  • https://dehayemek.net/upload/ckfinder/files/44635378107.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/e9696b8445ad9b5f330285432b7d86af/juferebekaguruv.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/ratuxemarilebexuwutivuguk.pdfIn PDF document text
  • http://m2mus.ca/clients/b/b1/b1ca46fdb12d68e762e4a8b3318caec0/File/36522392772.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/rugogejil.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/0c94b8b83aa0a19752625f792e4e551c/31499316736.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/df2b48e5dfd52b537d3f0c2c42c3594b/85656032216.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/xelur.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/92d71d85f2aa7180ece1525adce19b1f/dadisamuro.pdfIn PDF document text
  • https://callalilyvn.com/upload/files/bifurevovelomeminorefama.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161250c1202846---xekamovorom.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7815448146---62440978034.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a955c58963---xobosasavarizuwinususefu.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/59261714708.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e205021ace---volalixasekoranisonirudo.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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