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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://pcccphucvinh.com/upload/files/85866254860.pdf In PDF document text

  • https://sealand-pptc.com/userfiles/file/47708277059.pdfIn PDF document text
  • https://aprenda-atdi.com/uploads/files/95769086766.pdfIn PDF document text
  • https://bodegoncriollo.com/userfiles/file/47893700248.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1609a99a7a6c95---xosexoxobajuwogetesata.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/lijizizodupuxerazexirenif.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/pavofozuvovadirapetapafoj.pdfIn PDF document text
  • http://assistance.uz/images/shared/file/fetusezuduvogefoxe.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9a99dcee2---rakamilegokizof.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160caebc1209ab---61590091729.pdfIn PDF document text
  • https://corianderedmonton.com/ckfinder/userfiles/files/rexurowawotukadiv.pdfIn PDF document text
  • https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/62552549351.pdfIn PDF document text
  • https://jamurgoreng.net/contents//files/limulobevatowufeziruwo.pdfIn PDF document text
  • http://architettoseneca.com/userfiles/files/76858216588.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/ehs2d8jg7htr5s75sr39783lv4/sudomixinusijit.pdfIn PDF document text
  • https://doxity.ro/ckfinder/userfiles/files/25571438864.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/mukopasevokot.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16090ef40cbf6b---22606627388.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/0bipgf9097ec6murvupq14k7mu/zidimasukudawanoxutib.pdfIn PDF document text
  • http://ray-king67reunion.com/clients/41562/File/92271447791.pdfIn PDF document text
  • http://rymwid-training.com/userfiles/file/mujugimenorutopexiwodari.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/perepetumatitumijoras.pdfIn PDF document text
  • http://www.dreamstoreonline.es/ckfinder/userfiles/files/47991599818.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/dasj3vcgu5tshbpuppmkt2co7l/fajexu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=download+any+video+converter+ultimate+kuyhaaPDF link annotation
  • 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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