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://yubit.co.za/YmrXLWy8?keyword=you%20raise%20me%20up%20piano%20sheet%20music%20free%20pdf PDF link annotation

  • https://www.foodprocessingprojects.com/admin_assets/ckeditor/kcfinder/upload/files/41045290287.pdfIn PDF document text
  • http://lucchetta.net/userfiles/files/raxedodokareniwigilegot.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/51859047898.pdfIn PDF document text
  • https://gelerikoropux.weebly.com/uploads/1/3/7/5/137505023/0fc40.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/08180d4f100251b7776906b943bb386e/81066460523.pdfIn PDF document text
  • https://voxivunesiru.weebly.com/uploads/1/3/1/4/131407918/dusizanavov_talaxunujuna_dalowan_fabugufolitoda.pdfIn PDF document text
  • https://ginerapaxujivu.weebly.com/uploads/1/3/4/6/134647741/pepika_fazitifi.pdfIn PDF document text
  • https://labimatejodo.weebly.com/uploads/1/3/2/3/132302966/bc7db934.pdfIn PDF document text
  • https://zozufawagizawag.weebly.com/uploads/1/3/4/4/134454621/kujupasuriluti.pdfIn PDF document text
  • https://fefoxotavom.weebly.com/uploads/1/3/5/3/135328849/c17fcf47a3d.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16220203e71930---7827677331.pdfIn PDF document text
  • https://bupitagewiji.weebly.com/uploads/1/4/1/2/141260554/8594703.pdfIn PDF document text
  • https://fopizute.weebly.com/uploads/1/3/4/3/134315067/dasifi.pdfIn PDF document text
  • http://sherry-japan.com/uploads/files/wisegudexofulawajisorego.pdfIn PDF document text
  • http://www.bennex.co.th/assets/kcfinder/upload/files/70101448360.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16222f956abc47---kuzamotelu.pdfIn PDF document text
  • https://woseluwimi.weebly.com/uploads/1/3/4/1/134131525/miboz-miwivutejoburo-setoloxo.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 extracted file (font_00_sfnt_off0000b560.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b560.bin)

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