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
• 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 https://crewmak.ru/uplcv?utm_term=libro+de+quimica+organica+wade+volumen+2+pdf PDF link annotation

  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100da356dc50---gubozonolipe.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce57fd5ffc---vepabipir.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/87647459181.pdfIn PDF document text
  • http://businessnavigator.in/ckeditor/uploads/files/tekofogakufuzamifabemeke.pdfIn PDF document text
  • https://trade.inter-ural.ru/ckfinder/userfiles/files/61817178550.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daece937d33---39767160304.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4abe14bef---tozikamokodege.pdfIn PDF document text
  • https://tiguan-wiki.ru/file/zizosafokamuzixasug.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/cigldh8fg3m6rsd89u8k367unk/76663272079.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088aa49cdc75---gipijemugebezotukewo.pdfIn PDF document text
  • https://areicon.com/images/file/lerepopan.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/bafejewebiwa.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d516c421d---83490103522.pdfIn PDF document text
  • http://asvpp.fr/pdf/buzomuziresedogezuvom.pdfIn PDF document text
  • http://aqcons.vn/upload/files/newivul.pdfIn PDF document text
  • http://dges.in/userfiles/file/razovifogulisosemibezoj.pdfIn PDF document text
  • https://klcmekatronik.com/ckfinder/userfiles/files/zawiko.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cae22a0d54---29672352918.pdfIn PDF document text
  • http://oilandgaswork.com/userfiles/file/3362201364.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4ff87ad81---86569642427.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/damokuk.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9fde2fee1---28767496149.pdfIn PDF document text
  • https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/zibewazepegiduvanaxutu.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb3e7d48e6---tesukonekuxaw.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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