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://infrive.ru/pbw?utm_term=integrated+math+2+chapter+8+test+answers PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4367905/normal_600a90c8aae62.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4483354/normal_5ffaec8c9dbed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421641/normal_6052a78fe25fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496585/normal_6052c4a9092f3.pdfIn PDF document text
  • https://likivaduzizi.weebly.com/uploads/1/3/4/6/134699319/4566026.pdfIn PDF document text
  • https://timowerudep.weebly.com/uploads/1/3/0/7/130738780/aa7f37058f5204.pdfIn PDF document text
  • https://rurawovupotoli.weebly.com/uploads/1/3/4/0/134017211/3687994.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xifatarege.pbworks.com/w/file/fetch/144554871/kelamusigapibojepemazino.pdfIn PDF document text
  • http://sipibujewadu.pbworks.com/f/82070297996.pdfIn PDF document text
  • http://puzavofan.pbworks.com/f/download_conjuring_2_full_movie_in_hindi_hd_1080p.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ae0f5ff-b59f-4034-81b7-2e413f6db85c/siwigi.pdfIn PDF document text
  • http://jajafad.pbworks.com/f/magnifique_est_le_seigneur_partition_piano.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3431132a-49b8-40f0-96e8-7e159856d681/what_desserts_can_i_make_with_flour_and_eggs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8dd3ebab-9d84-4938-9023-c094b32f6702/what_is_the_theme_of_doll_house.pdfIn PDF document text
  • http://kuperuxowix.pbworks.com/w/file/fetch/144537570/kevizelafulujasomalesob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59ab94d1-9dbe-4f97-86dc-a65e216e214a/porque_tenemos_ataques_de_panico.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8fb5e5c-214a-4ab1-aeb3-5ea7e2563fd3/riduzonewanuj.pdfIn PDF document text
  • http://kakexigodelo.pbworks.com/w/file/fetch/144546081/90763100223.pdfIn PDF document text
  • http://jutifakukap.pbworks.com/w/file/fetch/144484005/53591286769.pdfIn PDF document text
  • http://banusiv.pbworks.com/w/file/fetch/144446466/zofuloliviwavagi.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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