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
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://seumenha.ru/wix?keyword=crane+flow+of+fluids+2018+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4480736/normal_5fd0895885ebe.pdfIn PDF document text
  • https://cdn.sqhk.co/fadejiweruw/CijPdSf/wigebil.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4470833/normal_5fe052656edb2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408588/normal_5fc7d7f6f05b1.pdfIn PDF document text
  • https://cdn.sqhk.co/jabuvilir/jghaQgi/frog_jumps_off_bridge_piano_man.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384851/normal_6022c91cdac94.pdfIn PDF document text
  • https://cdn.sqhk.co/xadakede/uidcQ0v/traffic_accident_reconstruction_training.pdfIn PDF document text
  • https://cdn.sqhk.co/kolazapikib/giNom7z/murder_mystery_2019_review.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_1e075e1db8f44037bacfa367693ff43b.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7504382c-a1fb-4142-9a0c-a1730674b7c2/talaxapepisizadunusupa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1aaf5260-0f24-4348-adc9-17ee38e61c6b/57286825175.pdfIn PDF document text
  • https://7afd96e6-4611-46d4-9b98-d111b897c281.filesusr.com/ugd/154221_5aaacab0abcf4745b2c9b7af3c77a509.pdf?index=trueIn PDF document text
  • https://56db2a4d-09ce-4ff6-a558-abb1d6727cd4.filesusr.com/ugd/003b86_86b20ed337b94f9eb57e41794bba786e.pdf?index=trueIn PDF document text
  • https://7737876a-f762-42ef-af6f-18b78abacabf.filesusr.com/ugd/9066bd_7c9c3ac73aeb480b8d17b4cdc48704a5.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d3e2623-ad36-4bc1-8788-9016fee5534e/88143530130.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8277cec9-f307-4176-9c89-b51b1149b76c/wevosimelibeledom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6946127c-0fe4-4a42-9ed0-881dd2f728b1/cinnamon_black_walnut_ice_cream_recipe.pdfIn PDF document text
  • https://6196a4e6-b3b5-4a85-a139-4ec84e0a53d9.filesusr.com/ugd/d01287_0051b67d8d7f4017b3521286a0b61d88.pdf?index=trueIn PDF document text
  • https://da54c32a-99c7-4590-8520-800dd2d1cae3.filesusr.com/ugd/7973d2_57f176f27c604f98a8c4385b8587bd28.pdf?index=trueIn PDF document text
  • https://e1318bff-d970-45e2-bcea-45481503a18b.filesusr.com/ugd/75a96d_498db15509fb4aef932b4986be7da67e.pdf?index=trueIn PDF document text
  • https://1a6defe7-92a0-4357-8a70-d3bce85d30c9.filesusr.com/ugd/385065_ba7d9d950ab74160ba9cd4cefc17ea5a.pdf?index=trueIn PDF document text
  • https://3c1efe6f-6e34-41bb-a2c4-2be85dd3cb33.filesusr.com/ugd/41f880_444706a36a1e4e82915d89820cd76037.pdf?index=trueIn PDF document text
  • https://fccd5518-64e1-462d-9dbe-8d8d8a19ca7a.filesusr.com/ugd/eb005d_c2b4b141bfc64326a81524fc05a505c9.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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