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://golowaki.ru/123?utm_term=vpn+android+china+server PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4417999/normal_602c2ddaa38e3.pdfIn PDF document text
  • http://esclub.info/supersonic_remote_codes_xfinity7a34t.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470698/normal_604149dfee828.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4447497/normal_5fcbf3d6da4e3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414500/normal_5ffa07a23f501.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4494661/normal_60049c8e149c8.pdfIn PDF document text
  • http://onenature.space/macbeth_act_2_scene_3_audio6zjf2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499329/normal_603d7c0d7e3c0.pdfIn PDF document text
  • http://update-win20.online/organic_chemistry_brown_7th_edition_solutions_manual_free1kk9q.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4465690/normal_5fcceefdc246e.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/c1435b82-ebe8-4502-b8d6-a49445bfd100/what_is_the_habitat_of_a_mangrove_forest.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00e8f49d-9479-4a7e-a832-4bac1360d087/gigefoken.pdfIn PDF document text
  • https://4f0754e2-f0c4-47db-826b-83042027646c.filesusr.com/ugd/7a11b0_87fe853601924170b71d2080041a7f89.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/8875a8b5-9619-4717-aa59-a6779af52cbf/how_to_use_dyson_ball_animal_attachments.pdfIn PDF document text
  • https://72a23b54-95c1-47c0-80d6-f7b1310faeb8.filesusr.com/ugd/65b209_dfc3fccf4e3d46c9830387b08042ea61.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ec81e2e-918c-4d3b-a1d6-42d8dbce46ae/mekosupexivi.pdfIn PDF document text
  • https://c2093f15-f4fb-4bda-9582-db5404103fa6.filesusr.com/ugd/b28561_26d217ef48864285838ce8f6d54d5fcd.pdf?index=trueIn PDF document text
  • https://6739ca04-605d-4ff4-b4c9-4e5bd75a7819.filesusr.com/ugd/031dda_9ad1c20e777a486ca0107bc7179c4830.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/37e114ce-a19f-4bc5-9395-daae45b8cc95/shear_rate_calculation_pipe_flow.pdfIn PDF document text
  • https://411be8f8-4ba1-40b5-9edf-cc4a2c3d5ecc.filesusr.com/ugd/a86d68_1aa79e902d534a55a13a156feb4c4c52.pdf?index=trueIn PDF document text
  • https://3465328d-eb21-4af5-a94e-b8fdacefaafa.filesusr.com/ugd/c63bf9_af7ebf28362445179fbcf8c135686ab9.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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