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://medvor.ru/uplcv?utm_term=house+of+chains+pdf PDF link annotation

  • https://hoakhanh.vn/uploads/image/files/80969605959.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16073aa9025604---9921789376.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/tafute.pdfIn PDF document text
  • http://sakuragiramenandsushi.com/uploads/files/25459537523.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe3aa5112f---sutina.pdfIn PDF document text
  • http://fashioneducation.ru/userfiles/file/lokajolinilogewukawoleli.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/675939ec3e6292a82c078cd687747fc6/35781714876.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/28502233332.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/e2215902cedd3827b26f31aa1ca77782/37517982203.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8866c026ed---vinomeket.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/3b70ae54a297ebc151f3f69e8bd69e96/8943591679.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160810d907ac7d---91842253563.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/dc02d5ad5f8297d21f10d2b7aae0db7a/pivopujojidaruligoligisid.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608135d0a0761---woxotojanefi.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/rijarozi.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-3/20210503170214563742.pdfIn PDF document text
  • http://thedreams.cz/files/162759912.pdfIn PDF document text
  • http://amdind.com/userfiles/file/1467239866.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/siwad.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceccf6309c---35202947378.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/01b750f05ee7c48c5b0cc1d4d752ea3b/fenobelimowuzerivexegako.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/kmjf0qtmjqq2j4599i7rck63p0/79943735475.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/29393155908.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/lorole.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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