Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://cdn-cms.f-static.net/uploads/4420434/normal_60117ee19b91f.pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4501361/normal_603eacb7508e7.pdfIn PDF document text
  • https://fatatarulawug.weebly.com/uploads/1/3/4/4/134474158/sivinet_gugekiwakop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483361/normal_6047cfc4eaaee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449774/normal_601852e6b4c7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370985/normal_6050db897fbdb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4466386/normal_5fef6b096883d.pdfIn PDF document text
  • https://doruxajowivabog.weebly.com/uploads/1/3/4/8/134870444/7eb1d23d167f40c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427509/normal_6058462d99997.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480899/normal_5feb446ded808.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371269/normal_603aa31454eb0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425235/normal_602e1f4384681.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417813/normal_6026c039989a8.pdfIn PDF document text
  • https://piziwola.weebly.com/uploads/1/3/1/3/131382430/pitatazisifexa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387411/normal_601dbb8d1f02a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://feedproxy.google.com/~r/wb/ENAH/~3/bQ3nTxENlgE/wb?keyword=the%20importance%20of%20being%20earnest%20script%20gwendolen%20and%20cecilyPDF link annotation
  • https://uploads.strikinglycdn.com/files/507fd667-d3a1-45ea-a974-90a388cbb055/what_are_the_seashells_for_in_links_awakening.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4a69afd-bbb0-49f8-b1d5-18f84fe1823d/the_eyes_of_the_dragon_sparknotes.pdfIn PDF document text
  • https://s3.amazonaws.com/sajezife/cant_turn_off_airplane_mode_on_acer_laptop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/739101c2-eb0c-481d-8f8a-e5f9cec3b5f0/how_to_file_a_confirmation_statement_with_companies_house.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b3e1e49-cb7d-4368-b6d6-a41798fba541/24352250160.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6dad11f9-8b2a-4883-b37a-66a9d3140f9a/star_wars_video_games_2020_nintendo_switch.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwamoxamo/kopeja.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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