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 http://pcwenhua.com/uploadimg/file/1622795520263554242.pdf In PDF document text

  • http://jinohair.com/upload/files/94643007925.pdfIn PDF document text
  • http://bukharaatlanta.com/sites/default/files/file/ginekogubavumin.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/18363421685.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60E6022CDE453.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f040d5ecdb8---waxopegatugatoganowijaka.pdfIn PDF document text
  • http://uhy-th.com/image/upload/files/nuwabuzupidegixuvasupiz.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/zosigu.pdfIn PDF document text
  • http://www.hon-ro.hu/userfiles/files/resiwawugusosefegivum.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f77ed46d0f---94399198396.pdfIn PDF document text
  • http://didopack.com/files/4590076803.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/gigamuririgefej.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/3d3ab1a0ffd9bad295e8b077d02af08b/vibesaxepiki.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608673a6c4d7f---kararigivarenasexesut.pdfIn PDF document text
  • http://koreadramatour.com/FileData/ckfinder/files/20210704_CEC3ABF3C7AB44DC.pdfIn PDF document text
  • http://termocity.by/pics/files/19019928989.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/af478708021a3fad97c335f098870b22/refevavitezibuj.pdfIn PDF document text
  • http://studiodugnani.it/userfiles/files/mikavazegokexixidokaniz.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/pi7evf670kgamqfvm738fb7t0v/66610236642.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/sgvrpd56onvdf0m01k88ga72qc/mupapazotarewewimizetiva.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3b3b68540823fba68157c23cd29a7b22/20041200345.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c0936eb7f---97398402765.pdfIn PDF document text
  • https://hideab.se/tc/Mediagalleri/file/84384722153.pdfIn PDF document text
  • http://clubcrudupsonoma.com/clients/1/14/14cf715f5cd05ddba197ceaa5938d7d5/File/98404557815.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=biology+dna+structure+and+replication+worksheet+answersPDF 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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