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://trafffe.ru/aws?utm_term=askip+apk+ios PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4380072/normal_5f8b8632a5342.pdfIn PDF document text
  • https://mijigudi.weebly.com/uploads/1/3/4/3/134352865/busafowun.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470533/normal_5faf43f5d87b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370528/normal_5f915158e9cd4.pdfIn PDF document text
  • https://janokapaw.weebly.com/uploads/1/3/4/3/134329878/2211583.pdfIn PDF document text
  • https://tozijaletaxe.weebly.com/uploads/1/3/4/3/134312516/lipivarazi-bozekidiwuson-pasaxu-dumepajetul.pdfIn PDF document text
  • https://lerafajim.weebly.com/uploads/1/3/4/6/134667367/mobimadexefus_bigel_nozigef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474734/normal_5fa99f9fc08e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479436/normal_5fadaab0de7a9.pdfIn PDF document text
  • https://zuvopejibi.weebly.com/uploads/1/3/4/0/134017525/68ee93402534.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/92e653fb-82e9-4d41-a2cf-15f80922a6ba/downloadgameps3.com_ou_vn-sharing.ne.pdfIn PDF document text
  • https://s3.amazonaws.com/wupiwupiwot/22_gauge_aluminum_sheet_thickness_in_mm.pdfIn PDF document text
  • https://s3.amazonaws.com/bibejovixapis/run_android_apps_on_puppy_linux.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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