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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crophysi.ru/strik?utm_term=actiontec+f2250+bridge+mode PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4392854/normal_5fe15ba78f108.pdfIn PDF document text
  • http://remont-pc.website/21883665935phyhz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481409/normal_60251b670c40c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453900/normal_60603a815cee0.pdfIn PDF document text
  • http://copyrightsupporthelpcenter.com/bhagavad_geeta_in_hindi_iskconwg53c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417809/normal_6015fcc07581b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4389090/normal_5ff383083f86d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://52c77544-2eb8-427c-ad0e-a8a7e2ea9366.filesusr.com/ugd/93288f_47ee573d18284cd9abaa5cc65c277ca0.pdf?index=trueIn PDF document text
  • https://cceb078e-1df6-42b0-9e12-359f30e42f1d.filesusr.com/ugd/e8506d_5df03f4ae7ad471ead35273b48222328.pdf?index=trueIn PDF document text
  • https://6f81cef9-66a2-447d-9e1d-4c0427ef15c5.filesusr.com/ugd/4d935e_48df535c538a4a73a678435402735e19.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/196013dd-b23b-45da-863d-db8ae55729ee/how_to_teach_philosophy_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a658176d-6c02-492b-8317-82b57676ff2c/64668112664.pdfIn PDF document text
  • https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_905bc6d8999840c897d07f56584d4fef.pdf?index=trueIn PDF document text
  • https://7648721b-06f4-4917-9c2a-921156fbbd07.filesusr.com/ugd/a7266c_050dc3d93bbc42c8950a95cfd75cdb67.pdf?index=trueIn PDF document text
  • https://d046670e-94b8-4ea2-8efc-69fca9b502c9.filesusr.com/ugd/c0b427_d7a52b4d76724bf090b78a853470bf26.pdf?index=trueIn PDF document text
  • https://1c2b20db-dbe1-4299-b4c0-f67d595d3b6c.filesusr.com/ugd/e71423_466ed365cb4f4a1da2802e85b83f2e41.pdf?index=trueIn PDF document text
  • https://6b54b0b2-91db-43cc-88c8-bbc4f7e20b37.filesusr.com/ugd/a773aa_3c31953e731040f1acc686249e3d23b8.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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