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://pelibifir.ru/wix?keyword=study+guide+for+biology+midterm PDF link annotation

  • http://zasasibibo.iblogger.org/94464962544.pdfIn PDF document text
  • http://nefupanono.mygamesonline.org/86667631208.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393020/normal_5feb31be7e180.pdfIn PDF document text
  • http://dusibarupuguli.medianewsonline.com/manorama_year_book_2020_free_download.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393041/normal_5fed0dddbf737.pdfIn PDF document text
  • https://kilixezexixoz.weebly.com/uploads/1/3/1/1/131163494/xusejugota.pdfIn PDF document text
  • https://kurevewadojig.weebly.com/uploads/1/3/1/4/131437207/9457016.pdfIn PDF document text
  • https://jasadugo.weebly.com/uploads/1/3/5/3/135341750/kifinerikelub.pdfIn PDF document text
  • http://kukusorukabapoj.iblogger.org/wapagikupixigifis.pdfIn PDF document text
  • http://kijubol.iblogger.org/64440821758.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4483089/normal_5fdb0b986629f.pdfIn PDF document text
  • https://xobiduri.weebly.com/uploads/1/3/1/4/131437628/c2f0c73d9ef.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384028/normal_6005c910c3879.pdfIn PDF document text
  • http://raguvigawak.mypressonline.com/sunej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392666/normal_6039feee1070e.pdfIn PDF document text
  • http://netekepipavosis.sportsontheweb.net/chemical_compounds_names_and_formulas.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://8acf0fc4-2da8-4686-9788-d7840b5449fc.filesusr.com/ugd/fab691_12fdd4114f3e41cdb4630d340d0e0543.pdf?index=trueIn PDF document text
  • https://8488b7ac-84bc-45ae-88ed-26841205fc59.filesusr.com/ugd/7cda3c_689db42500f94ad792b92808a2947872.pdf?index=trueIn PDF document text
  • https://a32e93c2-1aa3-4149-af29-aa5d163ab988.filesusr.com/ugd/40336e_5eac47415eab43c59d5526bca04660e9.pdf?index=trueIn PDF document text
  • https://fe92b815-f0fe-4223-924b-659339f44b90.filesusr.com/ugd/8f64fc_5d7bec15b29541049138f05f935d52ce.pdf?index=trueIn PDF document text
  • https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_ab9c993101804e9492777f82d594f0fc.pdf?index=trueIn PDF document text
  • https://userpages.umbc.edu/~farabaug/miIn 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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