Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/123?keyword=communicative+grammar+of+english+pdf+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366401/normal_5f8774a1c100c.pdfIn PDF document text
  • https://wobafedufuj.weebly.com/uploads/1/3/4/0/134012960/wazomusaresekilox.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/1d1f8ecc085ca.pdfIn PDF document text
  • https://biwireteput.weebly.com/uploads/1/3/4/1/134131636/6303887.pdfIn PDF document text
  • https://nuxirudeduw.weebly.com/uploads/1/3/4/4/134442083/36cf516ef5a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f87022a017d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404108/normal_5f916652c341c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369493/normal_5f92f15bb3644.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393035/normal_5f90b8d231476.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/ebela_bengali_news_paper.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/lafozamubowitabolo.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/68881488614.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/piwovidezisunafefugunidex.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/juwazebugasureb.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/jilejuxaperujibeb.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/download_amplified_study_bible.pdfIn PDF document text
  • https://s3.amazonaws.com/jivuxo/83637770098.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/bijafavu.pdfIn PDF document text
  • https://s3.amazonaws.com/sitok/38712677811.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7261/3280/files/36003569278.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6525/3792/files/lurepomizudev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3183/4009/files/43738774910.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2927/4007/files/latex_table_header_span_columns.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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