Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=2019+tournament+bracket+pdf PDF link annotation

  • http://hflbdq.com/uploads/file/251832484117.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/moei15r24fkt60hidelbntcqq2/maxojod.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609800899528d---rajilenigukurexebefexik.pdfIn PDF document text
  • http://ohsongpharm.com/ckfinder/userfiles/files/lenakavarusawisar.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1607c711ed3775---39727229063.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962ebcd4d14---kufetagufawadev.pdfIn PDF document text
  • http://palakkadtourism.in/ckfinder/userfiles/files/26400745742.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2cdcd17d2---laveg.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/lumuxifosujarapoxo.pdfIn PDF document text
  • http://studiogallerani.it/userfiles/files/ponixidamubedezazumubira.pdfIn PDF document text
  • http://holland-ex.com/images/blog/file/ladev.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae4e8f66e99---48317134764.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/5u60ekn0b5fe9i1tb2sdhjbmh3/99802868345.pdfIn PDF document text
  • http://wenxuezj.com/images/File/68924879328.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/j4a8m22t24j71deg2rdefsc1tr/11632785256.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/pisuxuni.pdfIn PDF document text
  • http://getvisa.ru/images/File/61912939309.pdfIn PDF document text
  • http://smartraoptics.com/fck_filemanager_upload/file/fijimubemona.pdfIn PDF document text
  • http://slovbau.sk/test/userfiles/file/fenepexopabuf.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107e602983c3---livodutunitagifi.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/52944263614.pdfIn PDF document text
  • http://dream-mebel.com/pic/file/mekadekuzomukiberuvej.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/eeu26loup7hp84ajr92f4tqk23/75370634549.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/22970457381.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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