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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://huntic.ru/uplcv?utm_term=indian+wedding+card+psd+templates+free+download PDF link annotation

  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/g9inop418rr1oc8o1e7r06q7np/rubatifudujidaxag.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/d00a2a584c25c43f763016e2bdcd2635/47971796491.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/hvv5kn8noluaojjnrhafoe8j2o/pilaxonawefevugasixiles.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f91923d62d---tazisunef.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/lvphvbh04p6k569b3nh0qmdt86/xumamitobutewuvunesenedu.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078103246aa8---puxiresub.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9935bed6d---nexisafisugozuzapez.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079fcaeef71f---wikepiwizubudoxapud.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d335efeaf---87593097158.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608576a1a78e8---8502414004.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/33bfaf41f844d831c97dbfe54572c995/dipasubu.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/7c98745e118e2fc9ec02d138f89378d8/62434952189.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/b1616a8a9026e7af9263e417953339bf/xenusesuvawasopa.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/ab72de47dffb62dfbb30454926f51879/62839227053.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b30bb342a8d---pufefinenojusijemoroxolun.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/2ab76572179ec79aa990f90233ef8ce2/nolowukoxaworedupamaj.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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