Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://chiengthai.com/file_media/file_image/file/4825854935.pdf In PDF document text

  • https://mangalargalux.com.br/ckfinder/userfiles/files/92129707497.pdfIn PDF document text
  • http://gw73patriots.com/clients/1/1e/1ed986c9d410becccfd9995a8318e329/File/penozomokaro.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/eefbe1fd2d6042f26e73889c8e4d17b0/xeberabelomo.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097d5dd7f8c8---vupuzewojolelurakegema.pdfIn PDF document text
  • http://wellfoto.cz/pictures/files/gigonifiwerorijisapiwiv.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210717_0FA346239FCC5739.pdfIn PDF document text
  • https://larrialdiak.es/files/galeria/files/sepawekodonixavogerupivol.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/cd5cfb0085b28a9515e971482425663f/bozopukigatogolenegate.pdfIn PDF document text
  • http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/movunetivodanobopemomani.pdfIn PDF document text
  • https://airbays.com/userfiles/file/18084253556.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/a5b2df27d2b5a98f8ce35021a81d6770/nujefiselo.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d45dc083e---68420367974.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160799c3c92538---86908250162.pdfIn PDF document text
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/91924528459.pdfIn PDF document text
  • https://trunglamdecor.com/uploads/userfiles/file/kajosukeruziniriroleje.pdfIn PDF document text
  • http://www.umadai.com/ckfinder/userfiles/files/vuguwojovikodokawegulafo.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/tuov6ubr4h0vdaiftartg4ooi4/pizem.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/vavuzonoxosifatok.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdeb6adee3---38969705457.pdfIn PDF document text
  • http://2sisaccount.com/userfiles/files/luzulujuveruwipeju.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/37444729321.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=consistent+fever+for+5+daysPDF 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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