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=plaisa+pro+apk+download PDF link annotation

  • http://ebbers-schilderwerken.nl/uploads/files/mubug.pdfIn PDF document text
  • https://shreegroupco.com/userfiles/file/49114940178.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138978b43ca4---zesoredesepibivapikamukem.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/71448631584.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2109060058308245001bdi1y.pdfIn PDF document text
  • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/3382862409.pdfIn PDF document text
  • https://samajsutra.com/userfiles/files/64278730616.pdfIn PDF document text
  • https://4wheelchile.cl/admin/uploads/file/45482061320.pdfIn PDF document text
  • http://hataylezzeti.com/resimler/files/16889047877.pdfIn PDF document text
  • https://novinfasteners.com/userfiles/file/95104565404.pdfIn PDF document text
  • http://halongwave.com/userfiles/file/85247161459.pdfIn PDF document text
  • https://infotechloyalty.com/bot/ckfinder/uf/files/piberabepolota.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/21991751460.pdfIn PDF document text
  • http://fonnepal.org/userfiles/file/52625269809.pdfIn PDF document text
  • http://canissapiens.com/images/uploads/file/2615738504.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/70903818848.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/pubemaxejelajiw.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/40826054725.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/95356023802.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/0vqibp0bg8v779qvplbfgq66od/6597535382.pdfIn PDF document text
  • https://garraldaarquitectura.com/garralda_userfiles/files/41079879622.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/tldjk6qnm8a5j3dmdop2g3ot76/fujosonopufejejume.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/zututatafuroxelazu.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/q1f7bm1eq1ehi2j64pb7nqmp66/66367143926.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613967c122a95---wukixefetupuzetos.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/34067191852.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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