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
• 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.
• 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://seumenha.ru/123?utm_term=estimation+of+parameters+questions+and+answers PDF link annotation

  • http://namsinc.info/8876637793c2uj9.pdfIn PDF document text
  • http://theplafond.xyz/what_type_of_government_did_the_soviet_union_have_in_19608m3r3.pdfIn PDF document text
  • http://reduslim-siteofficial.site/realm_defense_cheats_android60csg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424376/normal_604d7ad7eca75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4466161/normal_6042caf3e0a4d.pdfIn PDF document text
  • http://damvglaz1.xyz/fairy_tales_definitionqy3at.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386079/normal_602f7e1cc5bb0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4486365/normal_60567bb1cabe9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/78000251364.pdfIn PDF document text
  • https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_03dd4ae54b784959a27c63564f9fcc5d.pdf?index=trueIn PDF document text
  • https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_cbae45aea9a94f6996ef003baf0a8771.pdf?index=trueIn PDF document text
  • https://994180ce-385f-4272-9833-4a204a825e0f.filesusr.com/ugd/ec0c41_af6d3d66cc8d49788ae198f0a36eb5bc.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kiguteperilodu/musugipos.pdfIn PDF document text
  • https://38c8c62e-1823-4c1e-8220-bc61efcc8a1c.filesusr.com/ugd/c24b9b_0bfa260af68a4f34905519a13c2faedd.pdf?index=trueIn PDF document text
  • https://f74ea38a-ab8d-49a0-8d31-9a1d7ce64423.filesusr.com/ugd/5ceade_efc09cf29eb244a88c44c2bff58f9c49.pdf?index=trueIn PDF document text
  • https://7f993087-45f6-41f4-96e5-9dcaca18fb91.filesusr.com/ugd/9a92dd_36e775cb7e134e3a9ca772dd8ae3a388.pdf?index=trueIn PDF document text
  • https://c81c1a69-aec6-471c-ac34-7a6800eafc69.filesusr.com/ugd/9ef1ea_c3ce904c4caf43a7bff24e3020a4bfc8.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2894aa12-2397-4130-be9e-0b0696e9e4da/us_steel_export_to_china.pdfIn PDF document text
  • https://s3.amazonaws.com/mekonulegipero/green_butterfly_hd_images.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99980ab6-d148-4f8c-9cc0-6a1f765ecb21/57538558011.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/773edb3e-c571-4746-9989-be1aa511cd94/vezizabodilozokesozas.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://scripts.sil.org/OFLIn PDF document text

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