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://ttraff.me/123?keyword=dog+and+cat+memes+clean In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368971/normal_5f8db75a5578a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388279/normal_5f957b3e945c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372960/normal_5f98dc8859ccc.pdfIn PDF document text
  • https://gozofuma.weebly.com/uploads/1/3/0/8/130874065/paluxat.pdfIn PDF document text
  • https://denasigetul.weebly.com/uploads/1/3/4/3/134332190/33a253da20bd0.pdfIn PDF document text
  • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/6277525.pdfIn PDF document text
  • https://dunidapakepew.weebly.com/uploads/1/3/4/3/134319263/ralotukerojuju.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a94.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a94.bin)
  • https://cdn.shopify.com/s/files/1/0501/6512/1217/files/pathogenesis_of_hepatitis_b.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4913/0419/files/vhl_answers_spanish_1_lesson_5.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6079/7333/files/77300946783.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9171/3447/files/munoxemudawozam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/7804/5862/files/28172757195.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/bavizotigokurimo.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 extracted file (font_00_sfnt_off00007a94.bin)

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