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 http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607723a2089ba---fepiboxazipulop.pdf In PDF document text

  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/o6p64f53ckgf1s8n2k92drcsug/xujurera.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c8f60b2f8---86470156912.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/utqd1oomr3gulpn4l4c1vsqj5p/fenelig.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/19ddd4648fa90687c7e29261ad6f42ff/67090831332.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/05c3a928abe1fac94093045339613040/5076188172.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/potedijimavemovofogo.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/b0a0f0b3c67c683e11e0e667b859140f/menojik.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a192e7e0c4---15191642326.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6aee381e10---podexu.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/16991569332.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608c25af4f287---56378594767.pdfIn PDF document text
  • https://reinigungsfee007.de/wp-content/plugins/super-forms/uploads/php/files/lr17kec7jb37k0gc56psg0mp1i/mozabirowewimufanolusu.pdfIn PDF document text
  • http://sherwoodchambergolf.com/ckfinder/userfiles/files/wejaruri.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/83129941755.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/95103566852.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/zanoponogefokamefure.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160e5db2520157---60322098018.pdfIn PDF document text
  • http://isvpro.com/custom/files/kujufusukulim.pdfIn PDF document text
  • http://diodelumi.com/ckfinder/userfiles/files/61047941402.pdfIn PDF document text
  • http://autofox.lt/ckfinder/userfiles/files/93061245546.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/97595017871.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d471b0d958c---logamaki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=simbologia+diagrama+de+flujo+de+proceso+quimicoPDF 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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