Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://leonvi.ru/wix?keyword=springboard+mathematics+course+2+unit+2+expressions+and+equations+answer+key PDF link annotation

  • http://1-bog.ru/102628437711dayd.pdfIn PDF document text
  • http://osthondroz.com/bams_final_year_syllabusyddqt.pdfIn PDF document text
  • http://bupimobim.sportsontheweb.net/metodo_para_aprender_ingles_rapido.pdfIn PDF document text
  • http://ridunculus.com/tengo_ganas_de_ti_libro637au.pdfIn PDF document text
  • http://particuliers-societegenerale.xyz/photo_editor_collage_maker_pro_apkpurem9at4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4458417/normal_601ad2c3576ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4499285/normal_6019c1bb89dc6.pdfIn PDF document text
  • http://casser.xyz/34228815399badlc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402953/normal_604693bb7d488.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385412/normal_5fc665ff8a937.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479905/normal_60462bfed1313.pdfIn PDF document text
  • http://jijuduli.mywebcommunity.org/tejeri.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489844/normal_5fdc65e38280e.pdfIn PDF document text
  • http://sovumeriwox.mygamesonline.org/37737363167.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372955/normal_604a9ffd8efb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471706/normal_601ec9655676c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4462362/normal_5fd99af2cf2cb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4470524/normal_5ffce3460a557.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://d6b7b3c7-8429-4d82-9d75-5d5d09e763cc.filesusr.com/ugd/a8c229_7b9ba357a62445e3b0b4a02c92284819.pdf?index=trueIn PDF document text
  • https://627ea4a7-3f28-4bf3-8c99-6a9da7dacf48.filesusr.com/ugd/1970e2_c09619651a32496b99197731abdf3cd7.pdf?index=trueIn PDF document text
  • https://aca56392-15ae-48e8-982c-fdf6c4ac0dc3.filesusr.com/ugd/00c070_ed84496d849548568e98d3aac6338271.pdf?index=trueIn PDF document text
  • https://17673d3b-e5d0-4e0e-8211-f079fadf35f5.filesusr.com/ugd/13ae68_ae9bfa16e956457f9bb28e2236b3fffa.pdf?index=trueIn PDF document text
  • https://05b56818-8b0b-4484-a411-4f1234233f1c.filesusr.com/ugd/e49726_c5c13671fa724f57a0c2b4173bb856d3.pdf?index=trueIn PDF document text
  • https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_49e1b04b7665433ab015213bdae30e51.pdf?index=trueIn PDF document text
  • https://f238abdf-92e3-4651-90df-65b6e8a648d9.filesusr.com/ugd/99965f_e12fe89e39f24f0f937600b9097a34c6.pdf?index=trueIn PDF document text
  • https://c6111751-42b6-464f-a8b1-832d492ff999.filesusr.com/ugd/3d0627_64d70ae64c4343e7981082e2dda3702d.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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