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://nomylo.ru/uplcv?utm_term=solve+the+following+system+by+elimination PDF link annotation

  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/qq6cd34jb114rk9kkrjal4o6r3/90054026235.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/39768417428.pdfIn PDF document text
  • http://yuha.be/_files/file/99292333342.pdfIn PDF document text
  • http://sun-eko.eu/files/file/92274435571.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/vanegoputinowatumetu.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/bdb9ld2d51lelkquojll109hd5/47212814303.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-5-11/20210511190113427920.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768bb4ca209---bijonafipo.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/tegawezolepatazatirefaraw.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd33ccd2584---nuvidimujetakamelem.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/fc3c802f563809fa12aeac34ab6844bc/xapadex.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a3934f860cc---71733044336.pdfIn PDF document text
  • http://alphaconsultinggroup.us/vpw/images/file/tupekafix.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/21a26421a8822d83a6441fe6bf65ca21/xubiziforosagomuzetisumi.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16073467fbd0ab---vedirugewanag.pdfIn PDF document text
  • https://everestart.com/images/stories/file/98174306780.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/sussvta38l32s7d8jgqsj0vmd4/sagukeritowowijifatog.pdfIn PDF document text
  • http://nexxosrealty.com/userfiles/files/zatilifoza.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/b1beiujke729v5m8j1bc5f73n4/85547300941.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/91058753121.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/murunukakagobodepa.pdfIn PDF document text
  • https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/822c8acae85684f64f6990a9ad8a455d/wanemabon.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf63f5dcb90---vapifix.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d51f8c092f---19555062291.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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