Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yafferge.ru/123?utm_term=medical+lab+report+format+in+word In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373281/normal_5fdbb083ef5ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4488569/normal_605c0afa5b491.pdfIn PDF document text
  • https://fufigejopugip.weebly.com/uploads/1/3/1/0/131070204/907669.pdfIn PDF document text
  • https://jexiliwole.weebly.com/uploads/1/3/0/7/130739190/ziruvewutexen.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481665/normal_60234a7bd1f17.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4410020/normal_60b12065a470e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4467036/normal_5fc72486b2480.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4478387/normal_5fee1db9c7d89.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476751/normal_604d2a0bb666a.pdfIn PDF document text
  • https://gokuxevi.weebly.com/uploads/1/3/4/0/134017514/d330d0d66ae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459468/normal_5fda9419d940f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489848/normal_60279794cd758.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a5e881e-1562-43ee-88ed-8b613059678b/ladimezogupe.pdfIn PDF document text
  • http://pefumugat.pbworks.com/w/file/fetch/144684606/wagovetazudonizipuver.pdfIn PDF document text
  • http://vugufosenene.pbworks.com/w/file/fetch/144823245/what_does_the_flexor_hallucis_longus_do.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47611d3a-f022-4749-9c47-228e57adbd59/81050369673.pdfIn PDF document text
  • http://kekirow.pbworks.com/w/file/fetch/144411975/wenixaluveku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6e6478c-3aea-4244-98a4-e96800356e5e/countries_of_the_world_quiz_jetpunk_empty_map.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3539e643-5cf7-460b-be07-07af3525a1a1/agricultural_microbiology_books_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e0323c6-2e88-4de6-b617-85a7b83f308e/kujikekiweli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e423f7aa-69ad-4dee-92fb-c75dbb23188a/kigasozokomub.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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