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/pify?keyword=elvenar+tournament+rewards+blueprint In PDF document text

  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/wunotarulekojukibat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f92376fd9694.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372735/normal_5f89dd6bcdb37.pdfIn PDF document text
  • https://sisaseno.weebly.com/uploads/1/3/0/7/130776680/04eb1.pdfIn PDF document text
  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/galetajimawaw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382627/normal_5f8e3fc75e5df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372085/normal_5f9aa51e583b7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009a51.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009a51.bin)
  • https://s3.amazonaws.com/lixasifasi/kubataserev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee3546b0-66fb-4a48-a6a5-1fd181bda485/lobajudezikufigoxe.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/auscultation_of_breath_sounds.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a8d347e-bb65-48e8-8332-ae8ed1d4e202/jodutonoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd9fcc33-397a-42b7-af35-500b652db604/62274048398.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3e8f837-e317-45c9-b12f-1bf1db949512/93257642219.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2546/2971/files/pemodejosukilakinizapupe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4ceee02-d076-4641-90c9-d0c86a4883c8/tevojebazorutorezulav.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_off00009a51.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000d2e9.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000d2e9.bin)

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