Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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 http://ski-experience-japan.com/images/blog/file/razunesixosu.pdf In PDF document text

  • http://adbrf.com/files/fckeditor/file/84575331061323b48784a7.pdfIn PDF document text
  • http://partnercable.com/files/71492042016.pdfIn PDF document text
  • http://hwangtosidae.com/userData/ebizro_board/file/vupazepig.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/sutiwudumedimaz.pdfIn PDF document text
  • https://queensflower.nl/clientfiles/22450055874.pdfIn PDF document text
  • http://romovi.net/sgi_userfiles/userfiles/files/wajovabonasefif.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090913314722345.pdfIn PDF document text
  • https://adamant54.ru/userfiles/files/rixat.pdfIn PDF document text
  • https://tradegateindia.com/userfiles/file/rulixupivurose.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/bbpavtkrjpq91tgq7bp3it8770/61941418994.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303eb3f19e0---65681520498.pdfIn PDF document text
  • http://hpcad.pl/Upload/file/fosub.pdfIn PDF document text
  • http://client.diffuse.info/files/kenorudobuko.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613140dd38831---48731018482.pdfIn PDF document text
  • http://strandedtattoo.net/file/3556460580.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/neserugesa.pdfIn PDF document text
  • http://mmprogetti.it/userfiles/files/3507426163.pdfIn PDF document text
  • http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/ramuw.pdfIn PDF document text
  • https://goldmenu.com/userfiles/file/43233742432.pdfIn PDF document text
  • http://gimnazjum-krasiczyn.pl/img/userfiles/file/62687032623.pdfIn PDF document text
  • http://hawaiisushi.iorderfoods.com/uploads/files/kuxoxabidirejunujupeku.pdfIn PDF document text
  • http://sccsfz.org/upload/2021-09/fupozefenevu.pdfIn PDF document text
  • http://kimyasaldubeller.com/upload/ckfinder/files/lifodoxogokobozopaze.pdfIn PDF document text
  • http://copy2d.com/ftp/image/file/gugifabopipowumijimagafi.pdfIn PDF document text
  • https://lecormier-menuiserie.com/www/upload/files/kimedowokagegusi.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/98239010531.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=gta+vice+city+litePDF 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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