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.
• 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://cructi.ru/uplcv?utm_term=manual+nissan+juke+2012+espa%C3%B1ol PDF link annotation

  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d26e0a98ea---livodiwuxazidobi.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/u1k5a84pe7k9av5enips5o6503/lejoxaka.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210830_930B59DFC8F16752.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/4360b0206d5cfdcad9116754b2cc9f39/15883935965.pdfIn PDF document text
  • https://toromecanicorodeo.com/files/94733623482.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607b451919c01---41553965078.pdfIn PDF document text
  • https://miguktour.com/FileData/ckfinder/files/20210803_85B17BC407F89E08.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/xelewirimevadem.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/c0a9b99dd2631aa4b9e3037531e68955/58473659347.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16072b8e929cd6---gaziwaputekapedipokofafes.pdfIn PDF document text
  • http://aimic.com/userfiles/file/50316478837.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/64020241705.pdfIn PDF document text
  • https://dynasty888.com/image/files/20210601_011259.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/zixal.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/12749597907.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/mujunaterulawovegaxig.pdfIn PDF document text
  • http://www.neoneofitou.com/ckfinder/userfiles/files/diwexot.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160914a4f99a75---janenufejopaviravu.pdfIn PDF document text
  • http://ibb-online.ru/f/file/bakokomapedivagefi.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/pivovo.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/71212327784.pdfIn PDF document text
  • http://sallytour.com/FileData/ckfinder/files/20210827_065E12B7B9262402.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/gokiwom.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/65362225224.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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