Malicious PDF — malware analysis report

Heuristics 7

• 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 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://xiaohecollege.com/d/files/nujumojibefirupolezed.pdf In PDF document text

  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6197b47008---61539548271.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/bosukagaborefub.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ac3026d4c---62728269339.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/54s65rqg3n8de1tum0m3j4pbg7/kewuvodulujepuboxu.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/82604594676.pdfIn PDF document text
  • https://pablohernandes.com/wp-content/plugins/super-forms/uploads/php/files/bc32e79409c5a4123c02906a82c8415d/funifibazujanepone.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/tonotodaluwivarelimuzu.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/19564714834.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c65200d7cc---bezokozabaru.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/92pribovi87moovrr8rvq6k9d1/kolevaxukazave.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/bfbd2dd18b61c54ad08d49e15fb6c1a7/dirotiwazuviziroronuxize.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607038bae8cfd---57659576430.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/50360720962.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/at4pe3rc4tpd2f2r612pgi12so/21901838900.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bee6c22d0---92471719463.pdfIn PDF document text
  • http://live-lessons.net/lcj/web/uploads/assets/file/44605365777.pdfIn PDF document text
  • https://10glazsikeyrosa.ru/file/dufure.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/54454643358.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/22537243943.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8eba5a1971---vukavidatovifivirowutage.pdfIn PDF document text
  • http://www.truca-taoules.com//ckfinder/userfiles/files/kivilewexisoponor.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/8232584178.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/50324000792.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=ugc+net+study+material+for+library+and+information+science+pdfPDF 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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