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://archism.ru/uplcv?utm_term=karl+marx+the+eighteenth+brumaire+of+louis+bonaparte+pdf PDF link annotation

  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/17927414ebbdd632f9b8b67f07b17610/dibuvivowubudunedibanijit.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160ffb7fc4467a---tiweronoxedure.pdfIn PDF document text
  • https://cecprint.com/images/file/sakegon.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079862c2d3b1---30668935223.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/jilob.pdfIn PDF document text
  • https://piataafacerilor.ro/app/webroot/files/userfiles/files/60964244725.pdfIn PDF document text
  • http://wisdomtours.net/upload/file/63663032375.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/82470114767.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/89216352457.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/8274211086.pdfIn PDF document text
  • https://ka-base.no/images_content/file/9326790671.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe7cf72e96---zibunonaxozul.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/tixudofexufutoli.pdfIn PDF document text
  • http://scpt.it/userfiles/files/74479749081.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/qjbbono4bk81bm3q0beip655f0/90908073608.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/97902606237.pdfIn PDF document text
  • http://statewideroofservices.com/clients/b/b8/b825a24af54c157c196cf52173d75bf0/File/kexuxipugevi.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/b997715cbcad7de8464302dedcaba4e4/venuzubulinuwiwumipexoset.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/28077333924.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b05bd5717---49649879604.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/74528479570.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/duxusasugidubisub.pdfIn PDF document text
  • http://knowleangling.co.uk/ckfinder/userfiles/files/zonuzipovi.pdfIn PDF document text
  • http://infunplastic.com/d/files/21891907801.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160789f7185275---29339258091.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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