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://yafferge.ru/123?utm_term=niosh+ergonomic+assessment+form In PDF document text

  • https://static.s123-cdn-static.com/uploads/4451954/normal_5fc6885ce5bd8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367305/normal_601d15fa5f37f.pdfIn PDF document text
  • https://vatewiwep.weebly.com/uploads/1/3/4/4/134482367/matigosu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476427/normal_603b4674d9e0f.pdfIn PDF document text
  • https://welajelozasap.weebly.com/uploads/1/3/4/6/134695810/38614f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450037/normal_5fdc2ce972425.pdfIn PDF document text
  • https://gunoserikufetof.weebly.com/uploads/1/3/4/3/134360264/b03b4a58bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411923/normal_602d9db5b4b3b.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4423772/normal_60afffae9a3d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380881/normal_601c60f2b45c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4480399/normal_602283e4db1ff.pdfIn PDF document text
  • https://werifetez.weebly.com/uploads/1/3/4/6/134696790/5657653.pdfIn PDF document text
  • https://static.s123-cdn-static-d.com/uploads/4472186/normal_60b756adead54.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/5a1f4144-89a3-4385-8848-1d1802b0e701/best_price_weber_spirit_ii_e-210.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f05a6bc1-76a8-4308-836f-5cf096c7894c/grohe_shower_mixer_valve_replacement.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ffb81fd-4d41-4703-8b88-8cf92748eb95/vijovelawasuvol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a9c2eed-6e8e-476f-b332-3896f340fc65/hp_deskjet_ink_advantage_2545_wifi_password.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fddd7fe7-254b-45aa-86ce-62f7541d6506/how_to_hook_up_home_theater_speakers_to_tv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa205e69-68bf-4fff-8b75-81b51d9acc01/2947591476.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9b7e262-8d05-448d-a2c1-067cbb0998f0/microbe_2nd_edition_swanson.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9cb506a1-3269-402a-b72e-a149a96aacfc/case_580_super_k_backhoe_service_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97b4d36c-14ba-409c-8925-3d137f1b6fc8/how_to_resolve_conflict_at_work_between_two_employees.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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