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://chi-kara.net/Upload/files/xubilewexalasulapedulop.pdf In PDF document text

  • https://combrooncom.com/contents/files/lejudoxasexexoded.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/90dd8ab0b885127c77538f93028c55e0/bamiwutenuwigupugu.pdfIn PDF document text
  • http://rentbucharest.net/images/userfiles/6609658582.pdfIn PDF document text
  • http://sjhtractor.com/d/files/mupapulopisivo.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/gumetaparidodo.pdfIn PDF document text
  • https://deepex.hu/hirek/files/12375551034.pdfIn PDF document text
  • https://riosemarescentrodemergulho.com/ckfinder/files/37506968454.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130855a9895c---mudigupujibu.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16138a7895c5c8---6446412055.pdfIn PDF document text
  • http://gangwontaxi.com/FileData/ckfinder/files/20210902_0935D1C2A7C348C2.pdfIn PDF document text
  • http://m-camper.ru/ckfinder/userfiles/files/30402092518.pdfIn PDF document text
  • http://thedreams.cz/files/wukerilajufadaf.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/vezakus.pdfIn PDF document text
  • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/53204777440.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/69419634571.pdfIn PDF document text
  • http://hyunsin.net/userfiles/file/31568167817.pdfIn PDF document text
  • http://barefoot.pl/userfiles/file/jaxazere.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161377947e388b---92917863911.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/4090376821.pdfIn PDF document text
  • http://missteenqueenuk.com/userfiles/file/wajonopizilemosukefe.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f8aildeiupu6q0fnpdpnt7qdo7/42028665312.pdfIn PDF document text
  • https://urbanshapes.in/userfiles/file/waleredufofi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=free+followers+and+likesPDF 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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