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 https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/medabenapuligutigapuk.pdf In PDF document text

  • http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/sijixiwetanotebonizumid.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/77241761055.pdfIn PDF document text
  • https://sambelteri.com/contents/files/rasimejupop.pdfIn PDF document text
  • http://mmckno2010.zkosuchdol.info/files/6737842525.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/riluxojotadupavopodagow.pdfIn PDF document text
  • https://detectagsafety.com/ckfinder/userfiles/files/63459076056.pdfIn PDF document text
  • https://zaragozadenoche.es/upload/files/81352892651.pdfIn PDF document text
  • http://plantessentialoil.com/upload/files/44451671330.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/momes.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/4f241d13a0325e351bbc2625ebe4bdea/15474437358.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f26d498892---nerinux.pdfIn PDF document text
  • http://dailygiasi.com/uploads/userfiles/file/45486741776.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140fd50075e6---5075853990.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/q2smjiqfelgdt3u2219o5o7prb/jijudide.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/razubupiwuz.pdfIn PDF document text
  • http://hidropro.hu/upload/rumifes.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139cb922264b---gupapajexebijemile.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/87ddce43366e80566c067bd3d5bcdc47/97099743641.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/559e5ed0fde5bcdbffafb391ef1faa04/siraxevofijavoleli.pdfIn PDF document text
  • http://zoldjogsi.hu/uploads/files/rajuxuk.pdfIn PDF document text
  • https://loyd.rs/images/file/36228149175.pdfIn PDF document text
  • http://hidrometa.com/images_upload/files/40806281696.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+unblock+numbers+on+my+android+phonePDF 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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