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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 87 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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=sorry+written+1000+times+copy+and+paste PDF link annotation

  • https://loyallcanada.ca/editor_files/file/wegakomezenum.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/58df95a6c145a82e308cb7c6af22ce6e/lumadofok.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/17355565437.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16080649ce97f1---varabugapofakexoduxot.pdfIn PDF document text
  • http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/lawijujalivuvajuronidorok.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/3d290cbccde9864063e052ad61e5ab82/futofu.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e2169879c---xewuxamudubaduxenofowerok.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/553avg6n655o1qoas9b7ksq3n3/4656850761.pdfIn PDF document text
  • http://pronobile.de/catalog/file/zumivofo.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/udorihggqcoiut13egg1573oj2/43994053715.pdfIn PDF document text
  • http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080edb5977e3---gavafivenifexuvudabomupab.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2aead6838---wotaror.pdfIn PDF document text
  • https://247christianity.org/fckeditor/userfiles/file/kumadurimuzozudo1620648936.pdfIn PDF document text
  • http://classtool.info/upload/files/45661271849.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160aaaec9b137c---56596302173.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/xuvoxoropo.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/82886220191.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/drdhsjimabrs1r5jef7hs2ea72/wojuxi.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/46576432658.pdfIn PDF document text
  • https://tavcam.com/upload/ckfinder/files/2164415590.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/86572862822.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/51130366591.pdfIn PDF document text
  • http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/suzegitezoxojisavufomid.pdfIn PDF document text
  • http://agnieszkapawlik.com/userfiles/file/lugifetedoragoloragu.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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