Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://jacksth.ru/123?utm_term=resultados+beca+permanencia+2019+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4476930/normal_604991e381a84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375196/normal_604197d9921fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413696/normal_601776aa03368.pdfIn PDF document text
  • http://zelopaqq.xyz/19497905671twwe2.pdfIn PDF document text
  • http://znatural.space/comprehension_worksheets_for_grade_4_free47cf2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416331/normal_5feec6bb69dd3.pdfIn PDF document text
  • http://sebokuxaxugu.iblogger.org/15233179583.pdfIn PDF document text
  • http://rubka.space/an_introduction_to_language_10th_edition_fromkinstkfd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387806/normal_5fe6614bb3fce.pdfIn PDF document text
  • http://dofuluxaruze.22web.org/banco_santander_sa_annual_report.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4491945/normal_60507413cb371.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410989/normal_602954344448a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449014/normal_5fe9052a0461e.pdfIn PDF document text
  • http://shoplus.info/joniziwekesomaj5s2b.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://eaae50f7-3b1c-4f1b-9b3c-e2a48377569d.filesusr.com/ugd/b96e41_7e4d6a27f176464e9087cc2345e9401c.pdf?index=trueIn PDF document text
  • https://832c8a8d-f05d-46e3-9166-97d9de82ace4.filesusr.com/ugd/432509_1fb02eff68aa46c8af2951f0566c10c7.pdf?index=trueIn PDF document text
  • http://mopufeva.epizy.com/singapore_preschool_curriculum.pdfIn PDF document text
  • http://pogotoxevug.epizy.com/saforodola.pdfIn PDF document text
  • https://s3.amazonaws.com/luramamelolem/zonidigaf.pdfIn PDF document text
  • https://d54d55f4-8004-4613-9f19-7b96cbed0ae7.filesusr.com/ugd/ce4b32_f732974bfb744230a80132682c5f3a3d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/babuxufarizuxur/kuputunexovis.pdfIn PDF document text
  • https://e5720c39-3c1c-4a52-9be9-509675281b5a.filesusr.com/ugd/0010c8_8b771edce9cb400eb419663da5745354.pdf?index=trueIn PDF document text
  • http://buxofizigag.epizy.com/pathfinder_rpg_bestiary_5.pdfIn PDF document text
  • https://s3.amazonaws.com/sazariwapa/85812074588.pdfIn PDF document text
  • https://f3dbd103-cf2f-44fc-b0ad-c9004dc38af2.filesusr.com/ugd/1f2646_be9ca99dc6654ef1aa9d56194db22740.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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