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
• 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://pelibifir.ru/award?keyword=latest+books+and+authors+2020+pdf PDF link annotation

  • https://cdn.sqhk.co/gikasiful/UicuVtv/vamidekizev.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487894/normal_603e459addc99.pdfIn PDF document text
  • https://cdn.sqhk.co/zapimafe/ijjeje7/16312200655.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369914/normal_604cf7f64ae41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368240/normal_603a5686c0c5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378404/normal_60307829a7833.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388422/normal_604353da7b584.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479904/normal_601e46e4ca4fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383797/normal_601fd301a6ac3.pdfIn PDF document text
  • https://cdn.sqhk.co/muvenetu/gdjhSgi/wifuledufel.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4494431/normal_5fee801367106.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426556/normal_602c169525ec9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://a2214900-82f6-4ed5-a432-d5ffd14110fa.filesusr.com/ugd/306b6b_a9c83dc3c6674d1899fb3d7ecc319be6.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vesubodufisi/96133881768.pdfIn PDF document text
  • https://s3.amazonaws.com/tisegovofu/vidmate_video_hd_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/tugafebip/barnegat_bay_fishing_reports.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/abe34b45-3d4d-4be9-b7ab-e160642a22f8/44394671405.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/359160b1-3de8-4b3e-a33a-bc506c66a272/35226839908.pdfIn PDF document text
  • https://s3.amazonaws.com/mamukawaxatali/adskip_browser_apk.pdfIn PDF document text
  • https://91506351-5699-48ce-85e7-8e7d071f4e87.filesusr.com/ugd/d775a9_d7a303ce13e2469b86d282bf128223f5.pdf?index=trueIn PDF document text
  • https://b3a8b944-ddec-4d17-9b53-5a1c05c66d8c.filesusr.com/ugd/314503_4c6de7b8ba1142f9932da8498813d089.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb9ebb2f-b4c4-48d8-84ee-e5eea84d0784/what_is_the_best_version_of_the_tao_te_ching.pdfIn PDF document text
  • https://064d663d-f6b2-44cf-a6ad-083da5f315e5.filesusr.com/ugd/77eba6_efb701d7e06e40719fd4bd744c173a35.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b8330f2-48e4-452a-9078-d9555987dd22/wujopikapodopepugiw.pdfIn PDF document text
  • https://1cbf0fd9-62af-4102-a3dc-982f361539e7.filesusr.com/ugd/bfbc46_5eeeb7c4cc6342c592927c83b4fef58b.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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