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
• 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.
• 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://ponafet.ru/award?keyword=anticonceptivos+orales+pdf+2020 PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4450890/normal_60245f2d4506c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465149/normal_6047aa588f67e.pdfIn PDF document text
  • https://cdn.sqhk.co/gujowaxexag/hhojahg/vegan_milkshake_recipe_vanilla.pdfIn PDF document text
  • https://cdn.sqhk.co/lusimalifa/e5Oiagi/digimon_xros_wars_hunters_capitulo_1_espanol_latino.pdfIn PDF document text
  • https://cdn.sqhk.co/xiroxozalal/fMh04ib/52317719424.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4466166/normal_602d920c9c6c2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416929/normal_6001d821a6851.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415546/normal_60337cd233c7f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4449992/normal_5ffb3c1daa1e6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393890/normal_5fef0e23ab656.pdfIn PDF document text
  • https://cdn.sqhk.co/modajili/02CdCK0/zuboxanujopujodij.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://4694dce0-4d1e-4c77-b4da-d1f025f82355.filesusr.com/ugd/fb332b_46ecb9683c3847a18249350e78782d76.pdf?index=trueIn PDF document text
  • https://21a67f6d-2aea-439f-a910-ed4feb6be009.filesusr.com/ugd/173616_9aa2c21c51eb4283bb51396e63b18bc9.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e48631e-4661-4be3-8669-fc213455c104/how_to_quote_in_ap_style.pdfIn PDF document text
  • https://bf808793-8b46-4c54-8b11-319763181fa0.filesusr.com/ugd/0d018b_5c272ad6bdc845548b431529c7ef80d1.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bc75c39-f6f4-4269-8de8-448596f24e19/16449429449.pdfIn PDF document text
  • https://75edee45-cd08-43cb-a752-0c33e5c2343f.filesusr.com/ugd/a7c173_f61db7ead2ba494cb0d3e3a8b8ac365a.pdf?index=trueIn PDF document text
  • https://684917c6-b594-4497-9ea4-141105166a5b.filesusr.com/ugd/0dc9f5_064f8e52330d4193ac4333b5d95d7aa8.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c39a5abf-84b5-4a7d-ba4f-8893efd4aaf9/38566543186.pdfIn PDF document text
  • https://af8e4364-7f8a-45ec-af3e-d69da1c27fbb.filesusr.com/ugd/12c36c_54474aa64a11420eaf1ee6e7f4084e71.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/e72d694a-324d-45ac-ae6c-548121345815/introductory_econometrics_with_applications_ramanathan.pdfIn PDF document text
  • https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_cf93d9706ab44c02b1391cceb52b1474.pdf?index=trueIn PDF document text
  • https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_852e0ef761af48a4b5b97ee78bf61628.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/70a10806-bd25-4f9d-bb53-b81ec8edacc5/60186499415.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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