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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://inwebjor.ru/uplcv?utm_term=gta+5+iso+file+for+android PDF link annotation

  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615a5df7e59bb---87717234880.pdfIn PDF document text
  • https://chung-pei.com/userfiles/file/81215852418.pdfIn PDF document text
  • http://heldermusic.nl/ckfinder/userfiles/files/22591640716.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109270357102700.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/nipegezo.pdfIn PDF document text
  • http://dietmoiquangle.com/webroot/img/files/67527776658.pdfIn PDF document text
  • https://noticky.net/akce/fotky/file/tiguw.pdfIn PDF document text
  • https://alubiasdetolosa.com/files/galeria/files/sukozu.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614f13a3178f7---24375499056.pdfIn PDF document text
  • http://nhac.ditimchanly.org/Images_upload/files/pukogebemovapofo.pdfIn PDF document text
  • https://hetodon.com/fckeditorfiles/file/pozolu.pdfIn PDF document text
  • https://silverbirdmarketing.com/pages/images/file/626319780.pdfIn PDF document text
  • http://limoride.net/gallery/file/gisudoxuxesome.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/sonodizolaluvij.pdfIn PDF document text
  • https://triosms.com/userfiles/file/jeverixo.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/m7lqvhk7ppf7i7jjk3eiek1gd3/ximax.pdfIn PDF document text
  • http://abwingscolley.com/uploads/files/83715432030.pdfIn PDF document text
  • https://cvssteelex.com/ckfinder/userfiles/files/pupawemupadixupuzodapi.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16164b3bcf2f0c---70852420342.pdfIn PDF document text
  • http://nktrading.qa/file/files/xekamejapinojetulibej.pdfIn PDF document text
  • http://friulanapanini.com/images/file/62255971342.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/81287551630.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/61737038941.pdfIn PDF document text
  • http://tuvanthanhlapcongty.biz/upload/ck/files/87912531040.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/46801739999.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/64755082424.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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