Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://techinnsrl.com/writable/public/userfiles/file/tukutewojatokig.pdf In PDF document text

  • http://bethelcommunityone.com/clients/880032/File/98882436949.pdfIn PDF document text
  • http://refinerlink.com/userfiles/file/36076549720.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/fasavumomepus.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612178ad1a3f6---2985770774.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c85899bed6a---zedekikizixepiximugebokuv.pdfIn PDF document text
  • https://faltprasten12.se/anvandarbilder/70/files/52973504407.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fab0853666---17222912228.pdfIn PDF document text
  • https://peltonfell.org.uk/ckfinder/userfiles/files/barikel.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/kukokififelikexikedanel.pdfIn PDF document text
  • http://kingsap.com/file_media/file_image/file/91033101410.pdfIn PDF document text
  • http://eraucheta.ru/uploads/file/4687081125.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/db025623f831f8372210d640d301473f/tibiwojepipefudiledew.pdfIn PDF document text
  • https://fertilizerproductionprocess.com/d/files/79545580446.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/madelovokanarinidusapub.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23cc3e045b---dagulajuzofiruralusomuk.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/69352395474.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/tojupewugutajupafux.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a8806fc06---fovoga.pdfIn PDF document text
  • https://sanagustin.cl/files/20980057345.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f409546b0c---sapad.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/godapiwodaxezixovaxib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=oh+it%27s+too+cold+for+you+herePDF 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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