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://ketchas.ru/uplcv?utm_term=convert+vr+video+to+normal+android PDF link annotation

  • https://signika.pl/Upload/file/xedugejivawikogir.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/jutanavuzav.pdfIn PDF document text
  • http://srs-budapest.hu/uploads/files/55438959999.pdfIn PDF document text
  • http://primethailand.com/ckfinder/userfiles/files/25628636448.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/42150515006.pdfIn PDF document text
  • http://aotem.com/data/home/qxu1780220113/htdocs/uploadfile/files/jozefubetajad.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/12379835051.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/62536393640.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/43380569855.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/66637252449.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/69341617359.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/94003824069.pdfIn PDF document text
  • https://finliz.lt/i/File/tupixebotofed.pdfIn PDF document text
  • http://hk888.edo2008.com/com/comimg/file/20210914_061342_102.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/toxolexurixuwo.pdfIn PDF document text
  • http://campingwithconvenience.com/files/files/73130826443.pdfIn PDF document text
  • https://etimes.mn/uploads/files/48784603754.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/46779987242.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/5f9c679308a129f274ed00a1a668e2b5/63931944776.pdfIn PDF document text
  • http://babyindex.nl/images/uploads/lixaxiworo.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/rufuguba.pdfIn PDF document text
  • http://budoprojekt.eu/obrazy/file/mogedixanomufe.pdfIn PDF document text
  • http://nissanotogovap.net/uploads/images/files/gazawileg.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/61710857887.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e09dac83cf---wukutopowawig.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/6dd4651fb2a8f2194734b4506435e9d9/79698289772.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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