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=biochemical+oxygen+demand+definition+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4419198/normal_5fe82ca278b8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495846/normal_6058b7138b900.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4389824/normal_5fe49df940e57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485580/normal_602d63089615c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368481/normal_606b975c5b0e9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368991/normal_5fe0284ea79e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489041/normal_6051f495dc9ad.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4490949/normal_5fe185f3f214f.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://a80c0318-1640-4d50-a016-df037fc402b9.filesusr.com/ugd/895bef_e4a67906ff994709adacc16a694b8166.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kovezux/59669854233.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d7862d8-9d8b-442c-bc1c-c071a0c361b4/what_the_new_testament_says_about_marriage.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cde6c9dc-e8b0-48cf-a1f3-9ad759ac9ce0/wofidax.pdfIn PDF document text
  • https://c7972686-9310-4d97-8ac3-15e828887225.filesusr.com/ugd/8a419d_27ab0e2524824efcbd8a854eec6f7f2f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/hands_across_the_world_song.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d5ffd65-c4d6-4adc-b56a-82467aa8b625/motorola_buds_bluetooth_headset_manual.pdfIn PDF document text
  • https://56148a0a-83a3-4003-94ff-78d3044b7c00.filesusr.com/ugd/6f5f23_c34972fe48cc4cec9a8802a3ec4ec171.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4390a459-140a-4853-8250-52f817db132b/86971695189.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/27404e41-906f-4102-a77d-f0fc1480da6b/jolly_grammar_handbook_2_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/058650c0-24d5-4946-9f3f-cef8d6ad4bb5/wukuje.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66eaf54d-8948-4147-b06a-5617daef59f5/ashton_kutcher_net_worth_investments.pdfIn PDF document text
  • https://f039f7e9-c7fa-441d-bf3d-2f0e35d6be10.filesusr.com/ugd/80685d_d5d5a38b65aa469eb124ff06f5f21e99.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b27aa4b-2fa5-40d7-93ee-af9013ea7a6f/zinawexazeb.pdfIn PDF document text
  • https://0b7b936c-93ac-4a60-9644-6ba220b934cc.filesusr.com/ugd/b4bf80_6c11a62b27924ee3a9940350f6482aea.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

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