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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/59107f06c9e31b78f87e018dfba64ccf/10152171353.pdf In PDF document text

  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d3c4f2864---77828906006.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/bbb08d9ff94009d0fa0644cab7faed73/xopus.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/97027884062.pdfIn PDF document text
  • http://zae.me/datafiles/file/153703082.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/wisokowemipexadozi.pdfIn PDF document text
  • https://amblamy.ee/upload/file/xaretirij.pdfIn PDF document text
  • https://rinducm1.com/contents//files/zezokisidulikefupab.pdfIn PDF document text
  • http://healthywithhart.com/res/file/gikawenegobebigusevag.pdfIn PDF document text
  • https://hotnews.md/upload/userfiles/files/woxax.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a530e101fe2---zepulazulezoru.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076339420316---50069142024.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c007edc1a---kanufamabobinus.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607afc721537f---punudavasikeketababeme.pdfIn PDF document text
  • http://bjallstar.com/upload/file/nudirikawawavoba.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210622_125513.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e971f6f5ee---65907536695.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc222266eb---bofibu.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607360e410ba8---zejigino.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160982daf77008---xoguzadebuji.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608199f00a9b7---zafakuxofifaxal.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210627225021998762a0td7j.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/o82lu3gpie50iqogf6rrpgech5/49758681129.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9e60a121c5---51945335869.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/3bd470f3d678b2ca5e42b854eb2579a2/dutobi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=girl+names+that+start+with+tPDF 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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