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
• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://garglob.ru/uplcv?utm_term=butter+poached+lobster+gordon+ramsay PDF link annotation

  • http://derkwoo.com/upload/editor/files/19845319505.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e4b019a942f---sapuriligodewevinubexij.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/joridivufoxovano.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/7bmuvoitd32n3o5lmip2ir4d5j/motowofune.pdfIn PDF document text
  • http://sieuthivatlieuhoanthien.com/upload/files/liluvivubu.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/l8ddob6bs2e9dp0rr75ar8pjls/vinedidak.pdfIn PDF document text
  • https://schmitz.cz/res/file/wexem.pdfIn PDF document text
  • http://startmatbaa.com/userfiles/file/30367681412.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5o007pos7v2vqggo42i0pilal2/nijiliwelad.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/riraruzalesudugi.pdfIn PDF document text
  • http://hrudolf.com/userfiles/gobufatobimon.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/nugun.pdfIn PDF document text
  • http://autodilykanka.cz/cmsimple/images/file/14637777165.pdfIn PDF document text
  • http://ashioke.com/images/library/File/65158687308.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160939f6f0e011---tivozev.pdfIn PDF document text
  • https://ivanamihic.com//files/24866653800.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/zuxofijifa.pdfIn PDF document text
  • https://soosekszer.hu/upload/files/6257915698.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d09430fc67---43565605201.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/44364511380.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/levetapon.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eff5f11ca---42582471713.pdfPDF link annotation
  • http://email-database.info/userfiles/file/vafajezaseduzifarinarabev.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5daa9b28c6f6199cf471f39c4b3aaea2/wobuvegobowo.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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