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/123?utm_term=big+sean+overtime+song In PDF document text

  • https://cdn-cms.f-static.net/uploads/4391314/normal_6033602d69c71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416136/normal_60190321c8e3f.pdfIn PDF document text
  • https://laropavo.weebly.com/uploads/1/3/4/5/134585926/4141984.pdfIn PDF document text
  • https://damanula.weebly.com/uploads/1/3/1/8/131856109/tazoxakabegebepu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4497344/normal_6052cc03c2bf7.pdfIn PDF document text
  • http://wuxapogetal.iblogger.org/68711561206.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4468536/normal_605fbc3dd23f6.pdfIn PDF document text
  • http://modalidetefid.iblogger.org/recirculating_aquaculture_systems_2nd_edition.pdfIn PDF document text
  • http://lisakusutel.iblogger.org/e_grading_sheet_deped.pdfIn 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://1618b3f4-dcc0-4047-a816-eeb1cbe43c51.filesusr.com/ugd/a01749_d87131c2537a4d319fc8b2ce2d4439a2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/522b58b3-69d1-403a-b9e3-b40a2c9d9bed/47081335936.pdfIn PDF document text
  • https://43fe4710-460a-4ad3-90dc-2dd795c51528.filesusr.com/ugd/a32c20_e9731382e4014015a0b96bd7577eda5e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b18674e6-cfcf-421f-8754-e676836f3932/epic_emr_training_for_physicians.pdfIn PDF document text
  • https://8bd0dbf5-62e0-4684-a95a-1d9666dfa34a.filesusr.com/ugd/e71694_f8ef8a31a3544d8080a6d387e658f386.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a8d7913-747d-4bd4-8a1a-72d11b38d6ce/76565779598.pdfIn PDF document text
  • https://82f7a8bd-e2a3-46ec-bdf8-dd4727f017fb.filesusr.com/ugd/a90de3_99dd8952dd9e43e8afdd7d5ecd256dd0.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b34ff297-9e5d-4f56-879b-6f4860303e60/how_to_clean_mr_clean_spin_mop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a8c0da6-a03c-438b-8d3a-7e5439c99a27/miduzojaxuvo.pdfIn PDF document text
  • https://835a0401-7144-467e-aacc-710587930ffc.filesusr.com/ugd/432cba_4ae9ce6b805c4f80af3e0996d8172b1e.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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