Malicious PDF — malware analysis report

Heuristics 5

• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://jacksth.ru/wix?keyword=yariv+photonics+pdf PDF link annotation

  • http://streamsweets.com/yahoo_sports_fantasy_football_cheat_sheet_printable5od9m.pdfIn PDF document text
  • https://vubeluzuge.weebly.com/uploads/1/3/4/3/134357782/bosab_bukirop_banojab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416144/normal_60107f76cdd7f.pdfIn PDF document text
  • https://bumewotosebixab.weebly.com/uploads/1/3/5/2/135298585/radimefo.pdfIn PDF document text
  • http://br1.red/544211632613euby.pdfIn PDF document text
  • http://crystal-light33.ru/hip_hop_robot_dance_videomsopj.pdfIn PDF document text
  • http://tryraisins.pro/fonatuximabenolou32xt.pdfIn PDF document text
  • http://securitycheckingbrowservkcom.xyz/jusaluluvavawaguregitgmkpw.pdfIn PDF document text
  • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/gowenokodeba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387581/normal_6014187800e8a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4370528/normal_5fffbb26cc813.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4426261/normal_5fca7f8c25f03.pdfIn PDF document text
  • https://varusimutajol.weebly.com/uploads/1/3/4/5/134502614/rewirelutigije-pajoporejexijew-kuwunesenaf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://xetezonosilu.epizy.com/nucleic_acid_templated_chemistry.pdfIn PDF document text
  • http://nejesinila.epizy.com/46639463275.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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