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 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/123?utm_term=comiat+carta+formal+catal%25C3%25A0 In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/cfb531fd-f68b-4607-ace0-0b6dfbfe5fc1/lijagunapedexoda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a99c608-247a-47e0-a76c-976074be38bd/4179648253.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30548594-8f3e-4546-a1fa-8495e5b2d5fc/35427872376.pdfIn PDF document text
  • https://s3.amazonaws.com/davolazupivowi/what_guys_like_to_hear_during.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8caff5d8-17bb-4255-9c99-b81905b6df49/77839738983.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c1e99cf-ec04-4e7c-b801-c8972e402b09/53682547605.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/daee0960-761e-44e6-b0b4-9280fda7c7fd/62884601047.pdfIn PDF document text
  • https://41fe7446-7195-45c8-906d-de5e784989f9.filesusr.com/ugd/e02969_cda5fb2c48754ac1bd86fac54fed11f0.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/fixararololu/troubleshoot_panini_scanner.pdfIn PDF document text
  • https://c96d0889-97fb-4213-90a4-a08ae01970e6.filesusr.com/ugd/ed32f2_dc243d9e4a974e21a0f649ba6e8d1099.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b251d463-dae8-4c1c-a337-5b048e06ef60/learn_english_online_free_for_adults_app.pdfIn PDF document text
  • https://f200304d-316b-45a9-b05c-680123ec6d1a.filesusr.com/ugd/aad1a2_ac01624868714a5f9e62b6701dedd107.pdf?index=trueIn PDF document text
  • http://zazaluvuzusu.rf.gd/38926246999.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd9861fc-db8e-4ef0-8e2e-787a6d1a3524/160946125.pdfIn PDF document text
  • http://sovizaz.epizy.com/83084561725.pdfIn PDF document text
  • https://0cc2a7d0-6f33-4335-9ec9-554d9418487e.filesusr.com/ugd/cb4a18_1c8823a6a9ee414ebae17cb825df3959.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/83b4fd11-8fde-4bf4-9391-98b1f0f22c5d/tp-link_tl-sg1005d_configuration.pdfIn PDF document text
  • https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_9ba8b33bfe604c1b8a442a94d24106c0.pdf?index=trueIn PDF document text
  • https://a4346b84-4611-49ab-b113-80c9188ca613.filesusr.com/ugd/078c79_40d23c330fdd485ba7789359cb9ff3ff.pdf?index=trueIn PDF document text
  • http://subedawulowuwo.epizy.com/adaptation_of_desert_animals.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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