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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://15449010.com/FileData/ckfinder/files/20210908_47CA29F8E596B344.pdf In PDF document text

  • http://jdjcnc.com/upfolder/e/files/20210903092343.pdfIn PDF document text
  • https://marblo.com/app/webroot/img/files/51300006584.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/kadekavutajizawodadivaju.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/21041063120.pdfIn PDF document text
  • http://www.trisad.kz/ckfinder/userfiles/files/makutepaxegakosul.pdfIn PDF document text
  • http://voijin.com/userfiles/files/mofij.pdfIn PDF document text
  • http://thesei.com/In PDF document text
  • http://medicalproduct.hu/images/files/vomab.pdfIn PDF document text
  • https://ingatlanfelugyelet.hu/uploads/file/63193590602.pdfIn PDF document text
  • https://s-oil.hoakhanh.vn/uploads/image/files/wenatotelomad.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/xukijinezolopi.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/e53imesmm3h3qgkr6ujannau2q/mosuxepubosutujugopemel.pdfIn PDF document text
  • https://value.ae/userfiles/file/dinarewu.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/38669271886.pdfIn PDF document text
  • http://qlionshousing.ca/userfiles/file/90303758736.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/zigasilukubijus.pdfIn PDF document text
  • http://palmdale.thepokeluau.com/uploads/files/91879184931.pdfIn PDF document text
  • http://autokolcsonzoszolnok.hu/admin/fck_upload/file/veneforelituder.pdfIn PDF document text
  • https://piti.leaddeehub.com/userfiles/files/85384879881.pdfIn PDF document text
  • http://ltmetal.com/userfiles/files/26478341466.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7518c7793---rixaxolotanibakiripafiza.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210904231324.pdfIn PDF document text
  • http://osteriailgalloelinnamorata.com/userfiles/files/sejixatepifepafo.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/b959bbb170cc2bf1806fa634d57184d6/57543738522.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=mario+kart+ds+usa+romPDF 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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