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://crophysi.ru/strik?utm_term=regular+and+irregular+past+tense+verbs+games PDF link annotation

  • https://mefiwipof.weebly.com/uploads/1/3/4/3/134320940/vopodedit.pdfIn PDF document text
  • https://duloduwo.weebly.com/uploads/1/3/4/8/134850843/af71e372fb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450884/normal_5fcdad680bde1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426073/normal_60316e237164a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4482403/normal_5fce98b93f817.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416140/normal_6064fa1ad4c25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402956/normal_602f5292d82cd.pdfIn PDF document text
  • https://nezasofesaz.weebly.com/uploads/1/3/5/9/135961661/6374329.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4505771/normal_60061d4aec9cf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415518/normal_600402bfd20e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447253/normal_601fb10eb8967.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427795/normal_60186d4ceddb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379046/normal_60418a73e875e.pdfIn PDF document text
  • https://weziriditovi.weebly.com/uploads/1/3/4/1/134108838/1fef173e9.pdfIn PDF document text
  • https://luxovifawus.weebly.com/uploads/1/3/4/3/134341193/gilipumokadoxanu.pdfIn PDF document text
  • https://samomalekadoj.weebly.com/uploads/1/3/1/4/131438786/kutisa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470402/normal_601f232047ee2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377704/normal_605bdc14e91dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501231/normal_6022495438c67.pdfIn PDF document text
  • https://fumeseteno.weebly.com/uploads/1/3/1/4/131483149/bozov.pdfIn PDF document text
  • https://lezivefa.weebly.com/uploads/1/3/4/4/134458465/pijuxit_tedun_pelovi.pdfIn PDF document text
  • https://remejatezikame.weebly.com/uploads/1/3/1/0/131070309/6862977.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416665/normal_5fe64f343b4f5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4505699/normal_5ff257e2cc79d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/9091b7c1-519d-4128-b5d4-8ca5f23f4d68/pafunafiwitigimibowonadi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db70211b-fe9d-49a8-8083-6853305726b6/85392036248.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/108ffca4-01ee-45a8-a001-31427e436eaf/does_the_university_of_puerto_rico_teach_in_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/583f5b7f-5869-4156-b40f-53253774ceaa/vikarodijamufobeg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ce6893f-3ec5-44a1-acff-08f9f5bb210d/eclipse_4gb_mp3_music_video_player.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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