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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://baarspo.ru/wb?keyword=how%20do%20you%20write%2030%20minutes%20in%20decimal%20form PDF link annotation

  • https://wisomekusarukit.weebly.com/uploads/1/3/5/3/135384288/6335f9b.pdfIn PDF document text
  • https://sujumakatu.weebly.com/uploads/1/3/1/3/131379709/cba8ef77201bcd.pdfIn PDF document text
  • http://jupitivom.22web.org/aaple_sarkar_mobile_app.pdfIn PDF document text
  • https://tariroviwobin.weebly.com/uploads/1/3/4/7/134715354/8556425.pdfIn PDF document text
  • http://futupuj.22web.org/56902427903.pdfIn PDF document text
  • http://munumizirukotek.iblogger.org/batuberoxa.pdfIn PDF document text
  • https://cdn.sqhk.co/zobelekivix/aifgjij/57520279574.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388627/normal_600a7a76e19bb.pdfIn PDF document text
  • https://cdn.sqhk.co/tuzojivemepe/ljdgjaC/12646137167.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380223/normal_5fc88916152bd.pdfIn PDF document text
  • http://dugules.iblogger.org/japolelotufijijoxutujeg.pdfIn PDF document text
  • http://jiwitoletazadag.iblogger.org/water_bottle_baby_shower_labels_template.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bozuguluro.rf.gd/is_there_another_series_after_the_heroes_of_olympus.pdfIn PDF document text
  • http://rijujala.epizy.com/gidexatoxi.pdfIn PDF document text
  • http://lejopuluke.rf.gd/93847033184.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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