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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://botokaw.ru/123?utm_term=adobe+flash+player+30+ppapi PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4443588/normal_5feb220d665f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389394/normal_600e9239d8183.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4448116/normal_6000db3972f0d.pdfIn PDF document text
  • http://devubowoku.mypressonline.com/business_english_lessons_free.pdfIn PDF document text
  • http://gilumesu.mypressonline.com/the_art_of_assembly_language_free_download.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4527859/normal_604dc5ec0db76.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368732/normal_604e51de12604.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://kavibajegis.onlinewebshop.net/motorola_vervebuds_100_charging_time.pdfIn PDF document text
  • https://63b1f34b-4847-450f-8d9a-4788d10e1cf5.filesusr.com/ugd/451a43_dfa072cc30e1418d88b8c02695c8d697.pdf?index=trueIn PDF document text
  • https://8a6b9437-e7f2-49d7-8c24-351b272aa67a.filesusr.com/ugd/b18e4d_066501081c5048968f312ae12ad5adf4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3bfd0293-2ed5-4011-8da8-de077242c522/90275195153.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/270e0347-0241-4f13-98d1-51659708155e/how_do_i_pair_my_jlab_headphones.pdfIn PDF document text
  • https://edcb5511-827b-40b0-97c1-3499c313f96b.filesusr.com/ugd/0779a3_36d449c0f47c4633838bc007dc7ed8df.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/499d2a27-1e27-4a6a-84d8-0733a9a4d66f/solar_electricity_handbook_2019_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/592f1e1f-70d2-45c2-8784-bb04af9cd48f/wapupi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41aef5b6-002b-429d-964e-4fc7aeed6184/68072111094.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f9b7520-3857-48bb-b8d7-05874b768504/dietitian_aide_jobs_near_me.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7aebb2d-a7ba-4bea-bf45-7a7e7c525ede/29929514052.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9b81cb5-0b3a-42eb-9eab-db8b7f8a737b/how_to_win_at_the_sport_of_business_summary.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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