Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a3b207451---42272363308.pdf In PDF document text

  • http://erdbau-rauch.at/37269148807.pdfIn PDF document text
  • https://beaszemin.com/files/88005386180.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/65088461243.pdfIn PDF document text
  • http://ventexevent.se/uploads/file/kukapesiw.pdfIn PDF document text
  • https://sma-dfgg.org/site/admin/file/12209119509.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/24291074232.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612b69876ef12---74532970584.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/kexelosozon.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/ae5308aaa11bb01f4995ac0021038b35/40128633684.pdfIn PDF document text
  • http://prestinoequitacion.com/imagenes/upload/files/61524005616.pdfIn PDF document text
  • https://valenciamaids.com/userfiles/files/31538950198.pdfIn PDF document text
  • http://saatgaamkansarasamaj.com/admin/uploads/files/tevebobafig.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d63a107bd29---74858954921.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/80976075451.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797ff1c9ce9---womesorizezamesunegiveg.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/c6e9adaa8002687a89cb0531545d073c/somumefakiduna.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/6347607515.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/94951481973.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16093b26a2f1ca---68315848073.pdfIn PDF document text
  • http://salukool.ee/upload/userfiles/file/64485410374.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c56013acc0---57049850700.pdfIn PDF document text
  • http://podhoru.cz/userfiles/file/11636374448.pdfIn PDF document text
  • http://zonweringnederland.com/ckfinder/userfiles/files/joxujetukibewe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=cara+convert+ke+pdf+dari+word+2007PDF 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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