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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://wirut.co.za/YmrXLWy8?keyword=what%20are%20the%20two%20major%20sources%20of%20anthropogenic%20carbon%20dioxide PDF link annotation

  • https://vozilasavozacem.rs/files/lisinedenetegome.pdfIn PDF document text
  • http://7serve.org/userfiles/file/20220202095217.pdfIn PDF document text
  • http://eurogalvano.com/admin/kcfinder/upload/files/27406193783.pdfIn PDF document text
  • https://kar360.com/resimler/files/57744464459.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/bcrqmiej2adq4fdukshogudm7v/xozorogatudakazodakimojum.pdfIn PDF document text
  • https://wosudinaxek.weebly.com/uploads/1/3/5/2/135299586/16ecc11077.pdfIn PDF document text
  • https://kuvixajixi.weebly.com/uploads/1/3/1/6/131637850/fazod.pdfIn PDF document text
  • https://www.oabrn.org.br/2017/_ups/files/files/53431489565.pdfIn PDF document text
  • https://rawunixu.weebly.com/uploads/1/3/4/5/134527334/dekisosutow-rinupapovava.pdfIn PDF document text
  • https://xadarerisisiw.weebly.com/uploads/1/3/2/6/132682239/2c92e4618241c.pdfIn PDF document text
  • https://posoxoniboje.weebly.com/uploads/1/3/4/7/134713430/jimikoridogefaw_xabamogo.pdfIn PDF document text
  • https://lajexupizad.weebly.com/uploads/1/3/0/7/130775806/niduwubupidotepefez.pdfIn PDF document text
  • https://kebokezuzak.weebly.com/uploads/1/3/5/3/135318209/besiparejapul-bejevatol.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/6d6670de215054e5cfa9f6e3b160cba9/77343133921.pdfIn PDF document text
  • https://ciarajewellery.com/editor_upload/file/35071468244.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621353dc3e0d7---zudekifisaretozi.pdfIn PDF document text
  • https://paguvobidelovug.weebly.com/uploads/1/3/2/8/132815355/2784860.pdfIn PDF document text
  • http://jeanchapleau.com/userfiles/file/xuvodekexijofowazadasejom.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/55006442030.pdfIn PDF document text
  • https://cncunse.com/d/files/bilamomodutogug.pdfIn PDF document text
  • https://vujugorakiti.weebly.com/uploads/1/3/4/7/134719441/7488356.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16249268032dfe---32588865105.pdfIn PDF document text
  • https://viredikebud.weebly.com/uploads/1/3/7/5/137516731/1a3841f7d.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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