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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://kusopexel.weebly.com/uploads/1/3/4/5/134526262/6c75f65bf2e45.pdf.
• 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://dugedepap.ru/wix?keyword=comparison+shopping+for+a+credit+card+worksheet+answers PDF link annotation

  • https://cdn.sqhk.co/tinolefowi/haYfhhy/44260486368.pdfIn PDF document text
  • https://cdn.sqhk.co/lanuniwa/jiDqkby/cake_pops_recipe_book_free_download.pdfIn PDF document text
  • https://kusopexel.weebly.com/uploads/1/3/4/5/134526262/6c75f65bf2e45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426409/normal_5fd16e643b736.pdfIn PDF document text
  • https://cdn.sqhk.co/ruduligived/ZiPE4gi/vowajadezaj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406454/normal_5fe98fdb7afac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450734/normal_600d63965aa66.pdfIn PDF document text
  • https://ginegumogigoxi.weebly.com/uploads/1/3/2/8/132816185/6934288.pdfIn PDF document text
  • https://cdn.sqhk.co/pigevikuwi/eHheNjg/41123579295.pdfIn PDF document text
  • https://cdn.sqhk.co/xosaletozobi/pep5mb1/hearthstone_legendary_crafting_guide_rastakhan.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4453747/normal_5ffe158a1d270.pdfIn PDF document text
  • https://cdn.sqhk.co/naxupowu/NijdEYO/79495578505.pdfIn PDF document text
  • https://cdn.sqhk.co/tivuzofep/gjcieha/80900955919.pdfIn PDF document text
  • https://cdn.sqhk.co/panafilaputu/g0k5Vhb/59371521599.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://28ed73df-463f-41d7-bc87-4635118fd8e0.filesusr.com/ugd/74acc8_8e1cf5039bd4429f97c5adac2a48eec4.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a8b633b-05d9-4e0a-82f5-79fca1fc8e82/carefree_rv_awning_fabric_replacement_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b20504f-d4ca-4745-acd3-3097e4711753/pudos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9536379-248d-4490-b6e7-c903cf45da01/what_are_the_characteristics_of_net_games_in_pe.pdfIn PDF document text
  • https://f59c0a4d-c104-43ac-8966-a5978cdf1b8c.filesusr.com/ugd/0c1ebd_e3860d240f9b4c6189e095fbe0ac573c.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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