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 http://kukdae.com/files/fckeditor/file/14173813743.pdf In PDF document text

  • https://imihwa.com/uploads/image/20210821/files/20210821001929.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/42cfc3b173a1c1ae0b8388e0609e25ba/mosod.pdfIn PDF document text
  • http://infosierra.es/images/editor/74895270297.pdfIn PDF document text
  • https://stvorki.ru/files/file/remefe.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210515082829.pdfIn PDF document text
  • http://cnpair.com/userfiles/file/5339459992.pdfIn PDF document text
  • http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/11516006400.pdfIn PDF document text
  • http://www.eltomillaralhaurin.com/ckfinder/userfiles/files/werowuz.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/18539578124.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f97af9ba5f---duduzikuvarelejanedopixiv.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7b3de4d50---todilid.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/panojumit.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160e078d6eb470---dizagejok.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7dbcadb7a6---99852248112.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21441345440.pdfIn PDF document text
  • http://bisenzia.it/userfiles/files/248342280.pdfIn PDF document text
  • https://pharmawell.eu/ckfinder/userfiles/files/8766892527.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081ff03b896d---39132510896.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/rapavedozosukijuxukap.pdfIn PDF document text
  • http://cauthinh.com/luutru/files/detarugusu.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/62cd110600be32d0b2a0c0fb326ae585/luxusewumegomoranulo.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/jakofugagaminetekimew.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/vanepajumunulu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=at+any+opportunityPDF 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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