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://cctraff.ru/123?keyword=wallpaper+jiu+jitsu+para+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f93e6a2381ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382429/normal_5f8d6be80ce94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368243/normal_5f8b209304b49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367937/normal_5f87bd4a36216.pdfIn PDF document text
  • https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/diren.pdfIn PDF document text
  • https://bonujuvab.weebly.com/uploads/1/3/2/7/132740321/matalatafibedibe.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/gubikagov.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369328/normal_5f8cb1996992f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408987/normal_5f95fdb76ada2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381738/normal_5f8b74f3a7a0f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f8cc616e8689.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367923/normal_5f961aa2a1996.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369654/normal_5f8e32fceff33.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006754.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006754.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009b6d.bin)
  • https://uploads.strikinglycdn.com/files/16c28958-2580-448e-840d-e86719114aea/55643803961.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e3f9e71-1a46-4601-97d7-2a70034c01a4/carat_diamond_size_chart.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4410e8ad-30a0-4b2b-a086-0f784e88db46/difusinugen.pdfIn PDF document text
  • https://s3.amazonaws.com/wovigebi/39633205197.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/88848988523.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/64519271602.pdfIn PDF document text
  • https://s3.amazonaws.com/gewisetug/sabatofoxipuvimuro.pdfIn PDF document text
  • https://s3.amazonaws.com/wenobagupexekap/chamberlain_b970_manual.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_off00006754.bin)

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