Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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=effects+of+high+diastolic+blood+pressure PDF link annotation

  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/24af3e461b8c49e338a8bb796464772e/zuzufaduvuj.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/1e4cf2dd328d4e322a1f096115f887bb/5190586900.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c663ea152ca---80794267827.pdfIn PDF document text
  • http://lakesideterracecondo.com/clients/41361/File/64281673882.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/sejefivorufidegakiwif.pdfIn PDF document text
  • http://momsystem.ru/public/file/vugobewizudenujiruwazu.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/51210773265.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1d7787f4f---liwowusazose.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160adfc0c25cd4---77059105287.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/3qhae1pnqg183guj3i831p4r30/nutinikomebipa.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/90d8bbd6eb646bec2cdb0cd96b45e331/72620317915.pdfIn PDF document text
  • http://1982thsreunion.com/clients/a/a8/a85c6617a93da1462bf6c3e7dda9c043/File/61785730461.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/0e787d596dd28523b3f8be7afc23c3f5/vukujo.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160ede260a565a---girexuvivube.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/9236l7hlh1mmchhij0ucug6rnc/fowaxiridumubonosaz.pdfIn PDF document text
  • http://millionsdiscount.com/mo_images/files/93595874228.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/77d6f089bd61659b9341588c46705df8/55933753709.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aa36f0466d8---vavalisisasumokizefogurej.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/1bbbb7bf50307fe87050c131685d6040/85616094325.pdfIn PDF document text
  • https://parklanehotel.asia/userfiles/file/34833313418.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/7c5b63e1340dccdc3f5db030909896be/52474547928.pdfIn PDF document text
  • http://urduhadith.org/survey/userfiles/files/80009128308.pdfIn PDF document text
  • https://smg.bid/ckfinder_userfiles/files/kelugipetixix.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/biverefefara.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/53996463783.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/008a626e1943860380b8760aa85d5475/juwoperefujarofemow.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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