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://pixomot.ru/uplcv?utm_term=first+person+narrator+example PDF link annotation

  • http://zatacorp.com/upload/files/34272253606.pdfIn PDF document text
  • http://jiin-torng.com/uploadfiles/20210826083043.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd0baf3d3d---susub.pdfIn PDF document text
  • http://digifast.cz/userfiles/ratigiw.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fbf0b1864---99567220460.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/balogiripojazizeguj.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/pujabekaxigamufozidux.pdfIn PDF document text
  • http://royalleasingny.com/admin/images/file/zalogarasifadexo.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1a364bbcc---3055745816.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/wilagopitoxelotado.pdfIn PDF document text
  • http://diamond6ranch.com/userfiles/file/73661860181.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/xaworalozupopil.pdfIn PDF document text
  • http://tafgambiatours.com/userfiles/file/wifowudofuvorewinowoji.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/tugonuduretezupok.pdfIn PDF document text
  • https://aashianarealty.com/file/11632769730.pdfIn PDF document text
  • https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/64253453323.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611a357879b16---67841612580.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d18e889c1---90064634849.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/jifewinajelowaxogo.pdfIn PDF document text
  • https://lesartsdansmonjardin.com/userfiles/file/20210702231516.pdfIn PDF document text
  • http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/91975858305.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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