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://leonvi.ru/strik?utm_term=how+to+reset+water+filter+on+samsung+side+by+side+refrigerator PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4387928/normal_606d139a22216.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380403/normal_60556a0376850.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4471091/normal_5fec84cbc17f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407576/normal_6041ed6bc9aa8.pdfIn PDF document text
  • http://gunofixe.medianewsonline.com/tifizunipelakoxonorufok.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_2b1e8f3c25ad458f9ca687e049940bea.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/43cc140c-eb8c-4511-9263-1ef1444765df/how_long_can_animals_go_without_oxygen_before_brain_damage.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bdd0260-1906-4c13-a41a-6462bb74d19b/drawing_sketchbook_buy_online_india.pdfIn PDF document text
  • https://8ab1a2d5-e5b1-44c5-a28c-e09959565f0d.filesusr.com/ugd/eb712c_1bf3e5b62b0c4978833d3b005c241667.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f0168db1-3ac6-4141-b229-66b4bb5a7b2c/how_do_you_reset_the_ice_maker_on_a_samsung_refrigerator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7cd8abe0-7289-4b33-bb17-df20150c6da0/que_significa_el_titulo_como_agua_para_chocolate.pdfIn PDF document text
  • https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_199ebb3b33dd4a7ca821bdd396d85207.pdf?index=trueIn PDF document text
  • https://d497f082-4895-42de-a72c-038d9367c8a3.filesusr.com/ugd/8e727b_bbb478109c854f32a9d0e0cb4a2b4b87.pdf?index=trueIn PDF document text
  • https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_22fa2eb4cd394aef85de26aee3259a74.pdf?index=trueIn PDF document text
  • https://a6132035-7465-4fe4-be4e-2faa96c22dab.filesusr.com/ugd/cf950b_0c88cc7777894084a4b9ef74f4e365dd.pdf?index=trueIn PDF document text
  • http://kilarosine.atwebpages.com/bovabigatobederefo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c61e5bc7-a916-48b1-aa82-95fad67c9f80/what_are_the_key_challenges_facing_the_global_tourism_and_hospitality_industry_today.pdfIn PDF document text
  • https://507f79ed-2408-4027-b124-45ed49bded7d.filesusr.com/ugd/2de61b_f8232888ed4f478abcf4a3a2b6377c52.pdf?index=trueIn PDF document text
  • https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_577df7dd59b94119857a7668b58049b6.pdf?index=trueIn PDF document text
  • https://626fb5af-1d67-41cb-86ce-204163677ff0.filesusr.com/ugd/9d869b_3132e303c1324d03a6aac21794c80933.pdf?index=trueIn PDF document text
  • https://e3ba7771-1cf2-49b9-be81-d91832e8ed63.filesusr.com/ugd/bc9675_caea3ad6b562433f897d918420692815.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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