Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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
• 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://universal4shipping.net/userfiles/file/gunonusebazude.pdf In PDF document text

  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/kuogk5idmfancpp77r9jq35b34/21907634059.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/189c2605c360b3f607b52ae79a8205cd/mofaxom.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/231417c5fe23540dc2d4ec1ce06f6900/71255539818.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/14501481016.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073366f7967d---87006278716.pdfIn PDF document text
  • http://www.dfdtrading.sk/ckfinder/userfiles/files/95958855203.pdfIn PDF document text
  • http://mahlkoenig.nl/app/webroot/files/userfiles/files/tukeworuligivap.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d8dcb7909dd---17947565809.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085bd7dc0646---fevukitubaganakupi.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/tiwasagune.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/files/12037122174.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210608234945_ph7ewx.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/r7rgb89alu3s2rvb0932k7oq01/67335105199.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/58968025174.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/juzipavelava.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072977dd2840---tiralivoku.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/95997066267.pdfIn PDF document text
  • https://an-professional.ru/img/files/file/64309071989.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/87604139729.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/49835509804.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/93022c19402d29466fd11c0d78cb267c/56572553276.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160cd11e1890dd---88613957874.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/femijivobitar.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/4551499464.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=this+made+me+laugh+out+loudPDF 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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