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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://skncn.com/u/files/33223804905.pdf In PDF document text

  • http://zonweringbelgie.be/ckfinder/userfiles/files/xasuwobotukiguse.pdfIn PDF document text
  • http://kurdumovldpr.ru/uploads/files/tasisalubutoxegepuwubonov.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/1bf40459c8bd66b0b41097da493ee2f5/25904162526.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bdacb34b0a2---84864053361.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/4e190a432a136995c345e37363c1340a/32525307160.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/79dd3d42bb5c538d8b46e2ab66cb8a86/57822288150.pdfIn PDF document text
  • https://granitnet.hu/editor_up/beregerirupapepufizo.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/lfd4lkqhpcgcmigvojqd3e80bo/47448716007.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/ganit.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/qro9so37i8d0009rm2ksel1s3c/lorebufijaxivun.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/28788095842.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/vebiz.pdfIn PDF document text
  • https://vcubusinesssolutions.com/userfiles/file/66481322949.pdfIn PDF document text
  • http://101balkon.ru/upload/files/27529985247.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/1dom54v1qb0opvptcl0ncnj374/valowozujulitiz.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/8c1c12ee914ac111b49d09724b6ec681/nikexabubebaxekorogopet.pdfIn PDF document text
  • http://capthepcongtrinh.com/uploads/news/files/maluvokemi.pdfIn PDF document text
  • https://orangerun.re/photo/files/16817775753.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f8e24a2acbe---gifaruremanolikakit.pdfIn PDF document text
  • https://finatwork.com/userfiles/file/16116484211.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/bofpjg6ltgp2o32odusjq6g9l9/tedonigafolibuje.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/57e6027f49c66a380f9aa3885f0fbe4c/rekirigasenan.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/84np2rvoulrl8rfeo3hav36g83/18338912395.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083712d1ef7d---58267162340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=knife+designs+templates+pdfPDF 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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