Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://crophysi.ru/wix?keyword=katie+babyfayce+and+jakov In PDF document text

  • https://zedowami.weebly.com/uploads/1/3/1/6/131637063/kagivapiv.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408583/normal_6001588ea012f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383804/normal_600923565565c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383445/normal_601393e3aabba.pdfIn PDF document text
  • https://cdn.sqhk.co/gizulakofo/a7InigV/human_fall_flat_factory_switch.pdfIn PDF document text
  • http://bbbbbbbbeeee.space/fonomapanopawaxo9mjww.pdfIn PDF document text
  • https://mibubibot.weebly.com/uploads/1/3/1/8/131871690/9505471.pdfIn PDF document text
  • https://cdn.sqhk.co/todipageb/b2idngj/tipege.pdfIn PDF document text
  • https://gorogonib.weebly.com/uploads/1/3/0/7/130775466/413058.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426270/normal_5fe795cdf0c3f.pdfIn PDF document text
  • https://gabubogoko.weebly.com/uploads/1/3/3/9/133997439/84888.pdfIn PDF document text
  • https://lijokojojet.weebly.com/uploads/1/3/5/3/135333606/a73d17.pdfIn PDF document text
  • https://zaketedojerobi.weebly.com/uploads/1/3/6/0/136023974/dituvato_tasevideruwi_vutija.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387417/normal_5ff4df884fd5b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413835/normal_5fc6a9f7e72d9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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