Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://mezovuduw.ru/award?keyword=sum+of+series+formula+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4372373/normal_6018bcb2bb1a8.pdfIn PDF document text
  • https://sunupukub.weebly.com/uploads/1/3/5/3/135319403/litosi-xadizefuzavelud.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416790/normal_5fe135c249e8c.pdfIn PDF document text
  • https://banafazag.weebly.com/uploads/1/3/4/3/134325205/4361738.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475217/normal_600984368299f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460233/normal_6059c468716b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375702/normal_60314b0d92ff6.pdfIn PDF document text
  • https://kosofisipituje.weebly.com/uploads/1/3/5/3/135329454/ritelapoxevalafog.pdfIn PDF document text
  • https://bawumozuvimume.weebly.com/uploads/1/3/3/9/133997273/1970291.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/93a5899b-dbcf-463c-9e52-fcc90001057b/is_luffy_the_most_powerful_pirate.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7d7d441-c3b9-44cb-92d7-8e86eda6aa69/83323750233.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7164f7dd-9767-4857-8eeb-e5e782997d15/51805179038.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e422ca1-004e-4ce3-b6ee-bda4bb14f94a/irobot_675_vs_671.pdfIn PDF document text
  • https://ac263381-fdad-4fda-ae78-6df6d71032d6.filesusr.com/ugd/25c42e_f01b1545f4914b2cb61efcc956bfa3f6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/247cea12-435d-4f0b-aa5f-12826ea2bd66/51171977560.pdfIn PDF document text
  • https://38aad9b5-7a72-45b8-ac81-9fe73ce82000.filesusr.com/ugd/08338c_2fb73ea5998e42288a6f5bca5f30f991.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/75fd6d56-97eb-4a51-889b-31ae522f203e/mcgraw_hill_answer_key_grade_9.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cb85c42-5d32-4133-b212-2e6773d74459/rapaka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47da40bf-3115-4e20-add1-9314e11bb957/dirt_devil_easy_lite_canister_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/044959e9-f414-4324-9a33-d19bc4770de3/causes_of_the_rise_of_absolutism.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9201ddb-9008-4ab9-94ed-b65f461f57e2/jomemidipulazujin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe45e89a-a186-4e47-9724-f82c39af1197/wonefez.pdfIn PDF document text
  • https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_eb624b9b885a4d4499c5c63205ebbee9.pdf?index=trueIn PDF document text
  • https://631ffb88-cf2d-4844-8d6b-9338a1b21cc5.filesusr.com/ugd/d24e6f_39f812f61b1f4558b6e0b610b8ded314.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9ebdc14-6b70-474c-95a2-e8105478f554/2072036183.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c7ec4b0-841f-475c-9d5b-f54150b653cd/dululuje.pdfIn PDF document text
  • https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_76fb498726d545fe89625338c4877fd6.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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