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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://dafemum.ru/award?keyword=tchaikovsky+symphony+6+pdf In PDF document text

  • https://static.s123-cdn-static.com/uploads/4372723/normal_5fc9b6634f856.pdfIn PDF document text
  • https://wolofineso.weebly.com/uploads/1/3/4/5/134598063/luzaw.pdfIn PDF document text
  • https://xeromikivato.weebly.com/uploads/1/3/2/6/132695960/vofasuwunonim.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383794/normal_6045be60324b8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457279/normal_5fdd83dd3004c.pdfIn PDF document text
  • https://vizodejow.weebly.com/uploads/1/3/4/3/134356937/xesomikovaka.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410006/normal_60243df550fa0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380869/normal_603eb53a0cb8c.pdfIn PDF document text
  • https://koruguliduni.weebly.com/uploads/1/3/4/8/134896859/4396195.pdfIn PDF document text
  • https://zeberafuduzugag.weebly.com/uploads/1/3/2/6/132682167/mepasuriguz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://f459ab6e-ac57-43ce-b83a-1524846427e4.filesusr.com/ugd/938c70_33219efb00bf4f3da5e0d028a9d50650.pdf?index=trueIn PDF document text
  • https://ba789de2-c385-43ee-b32d-a34c698d1993.filesusr.com/ugd/b7082a_62bf31e8902d4c058805edc1b4734991.pdf?index=trueIn PDF document text
  • https://2ddedb0e-b7b0-41c9-a8bc-c018bd0e6e4c.filesusr.com/ugd/70094d_8b8e59d1496a42679d19672ecec6ca58.pdf?index=trueIn PDF document text
  • https://c18d7360-3707-4bf1-9d6f-52ba7510fa17.filesusr.com/ugd/76cb06_f2f0dd950c6f404aa406c2b38dc7fdb5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ba7e995-74fa-4e58-a78c-573f7348189a/seamless_bible_study_ebook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8369c3c8-7b0e-4c90-a0c2-e124130aad73/python_for_kids_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b9f5b88-dcd1-42c8-8529-367ff7d2a003/vuravivebinowamunafib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d985e2d6-7523-4ae5-b0ea-d41a83374624/88928361854.pdfIn PDF document text
  • https://cb8582fb-ab29-4f13-bfd4-623ca244ab52.filesusr.com/ugd/d61b30_b1a1054cf05349bf962f5adee50c37f9.pdf?index=trueIn PDF document text
  • https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_5ce65e5a065042c4ba2a878fe5260377.pdf?index=trueIn 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://scripts.sil.org/OFLIn 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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