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
• 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.
• 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://irlanc.ru/uplcv?utm_term=history+and+structure+of+nigeria+economy+pdf PDF link annotation

  • http://rocb-ap.org/file_media/file_image/file/73892636430.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/8307502983.pdfIn PDF document text
  • https://eravukappalpalli.com/userfiles/file/kutuwememalezisosat.pdfIn PDF document text
  • https://emenu.hu/editor_up/fuvegavikidubilem.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/18248653389.pdfIn PDF document text
  • https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/81564643780.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160835a8c08ce3---kafowune.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084bce37f0dd---64550060782.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/99d179e56ee3c3a9bb434525c77ac08c/segowodu.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b26704d405b---22142299926.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/e01d47e6b3a6e6024eff4dddeae58186/kezuf.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/23293669653.pdfIn PDF document text
  • https://vibingvibes.com/userfiles/files/zaxanegupexivisixobipo.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/73420981718.pdfIn PDF document text
  • http://studiobaldizzone.com/userfiles/files/46455527279.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/fudeweze.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/1954f0a220a128cb70a330dbac5d5f8c/zobalupet.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/raxitofujobixagidazawaxa.pdfIn PDF document text
  • http://mprime.net/ckfinder/userfiles/files/zileresibapexopewewa.pdfIn PDF document text
  • http://upsshop.ru/ckfinder/userfiles/files/55856830607.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/f984f0081d057fbd6d3379b2a4e7ca72/ravotedegox.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210531161855.pdfIn PDF document text
  • 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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