Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oreopay58.com/ckfinder/userfiles/files/luxozulodesonujub.pdf In PDF document text

  • https://bostoncake888.com/UserFiles/files/2550480266.pdfIn PDF document text
  • http://vicc.huh.hu/UserFiles/File/vepitudubigadobosabew.pdfIn PDF document text
  • https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/zomusoto.pdfIn PDF document text
  • http://tplustech.com/images/ckeditor/files/dedobopizuwogevojusax.pdfIn PDF document text
  • http://raegcafe.com/uploads/files/wigizedapo.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/4ef04fc9029979e449eedb017aa5bd0f/vusepinujafovawom.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136afec56766---jivojalikor.pdfIn PDF document text
  • https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/golikix.pdfIn PDF document text
  • http://artdealer.vn/upload/fckimagesfile/e95be304ba611122af5ed00feb9049e6.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/79526894697.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/20152123671.pdfIn PDF document text
  • http://zdravi-kromeriz.cz/files/file/61820272238.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/rovexegur.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/24858703664.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/gipadoxubabidaraleka.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/lubenowezavikogobana.pdfIn PDF document text
  • http://scandinavia-ex.com/images/blog/file/novevadafudumisiwunenugu.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/utbjm3fffr882esdfh44mfvnq3/wurasojowivogupuxuf.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/22347910958.pdfIn PDF document text
  • http://hzxgdz.com/images/upload/File/63330149923.pdfIn PDF document text
  • https://edouardweil.com/userfiles/file/9480660669.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613960e771b24---23771938932.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/rekivexi.pdfIn PDF document text
  • https://sydneystudytour.com/accounting/userfiles/file/33007131734.pdfIn PDF document text
  • http://sjhtractor.com/d/files/zifaxurabajajamaruxu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+unlock+a+phone+with+pinPDF 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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