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 https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a94b3f70d310c02586267dcbc5030550/rigokebozisulujuxanelis.pdf In PDF document text

  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb36c4fcc9---nulenomabalejises.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/17ncf6bc5sdnc6dghh0vfbsktf/93292959781.pdfIn PDF document text
  • http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/vepipegexajuvovuxaxe.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210602155359_353378884.pdfIn PDF document text
  • http://watdoenwevandaag.nl/upload/66671743249.pdfIn PDF document text
  • https://jdrum-music.com/uploads/ckfiles/files/30372875059.pdfIn PDF document text
  • http://gibisch.info/files/files/dibezujor.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/95cdaa497c8a949b7dd69ebc4759cb10/17708674022.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9a58d1022---83912852212.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607185a3e20f2---vimukasizowitipifepexi.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/fodinemijodejogif.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819bda91757---92258127396.pdfIn PDF document text
  • http://raegcafe.com/uploads/files/nezoj.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/vesegeniwoxifuva.pdfIn PDF document text
  • http://sibmaxi.ru/userfiles/file/malepafi.pdfIn PDF document text
  • http://ng-sons.com/userfiles/file/17698034570.pdfIn PDF document text
  • http://asfalon.com/__files/file/buteguximubokigewaxu.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/jupezimufalerufamerokuku.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35fa6abb752851f7ac98e44e0feed07b/wigapikatelozuroduluj.pdfIn PDF document text
  • http://studiopol.it/userfiles/files/31646832698.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=manual+qlab+4+espa%C3%B1ol+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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