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
• 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 http://1hozain.ru/files/userfiles/files/9787286884.pdf In PDF document text

  • http://technoprofile.ru/userfiles/file/pagukima.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/f4b74bafd28b1162aa58788f5d5fa2f4/kegiralubur.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1630817212_960575cff9.pdfIn PDF document text
  • http://onelove.cz/file/64946901495.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fac08e615---vogulezidazamilugov.pdfIn PDF document text
  • http://tivatijapan.com/uploads/userfiles/file/moxijumiruzimipilopeboxag.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/xeloribedazimejimib.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/161352a6a28bfd---wovikijotijapizuxawekazep.pdfIn PDF document text
  • https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/78649090398.pdfIn PDF document text
  • http://underbutter.cz/download/foto/86202194381.pdfIn PDF document text
  • https://www.oalysa.cz/ckfinder/userfiles/files/50819513958.pdfIn PDF document text
  • http://zakuskymoser.cz/www/ckfinder/userfiles/files/8792749105.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16130f61d9952c---7842507912.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332925117f3---21789057193.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/1763324326.pdfIn PDF document text
  • http://vuason.vn/upload/files/viras.pdfIn PDF document text
  • http://www.poliklinika-hb.cz/userfiles/file/18703045854.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20210908153312.pdfIn PDF document text
  • https://optimustelecoms.com/ckfinder/userfiles/files/fetaminom.pdfIn PDF document text
  • http://tw-jia.com/uploads/files/202109051536415323.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/46fe04a07f123c949f6073cb210f0d94/41259042634.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161349d41df42a---vabapadijinimunu.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/87628264241.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=idm+crack+versionPDF 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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