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/strik?keyword=oh+fionna+ukulele+chords In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366620/normal_5f8c597f561ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403681/normal_5f9422f536e7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373757/normal_5f89248cf07d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368746/normal_5f8872deb4f73.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/3cb839f757cc7.pdfIn PDF document text
  • https://gowiwoniba.weebly.com/uploads/1/3/1/8/131857243/pititaviwe-bivakegaw.pdfIn PDF document text
  • https://titawijuneve.weebly.com/uploads/1/3/4/0/134012454/5117001.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/suvex-xebubonozov-gavubukegago.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381546/normal_5f9443abe1940.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369146/normal_5f90d8e19389a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410027/normal_5f93d70460d6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402953/normal_5f9286f5bf45b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373749/normal_5f8e41451474d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375199/normal_5f8a3ea079a63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f87a104e54ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_5f906b6a67c00.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005388.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005388.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000087d4.bin)
  • https://uploads.strikinglycdn.com/files/aaee79bc-cc42-4047-af72-a697142b4a32/wepodu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0890638f-b656-40a0-aaa9-c710bedb6c65/5903636257.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7055dc9d-cd00-48c7-99ee-4d84cb786f31/52438588461.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/021303b6-b85c-47fa-b826-ab8c4063d038/mejanexu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2633/5909/files/download_auto_call_recorder_apk_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9366/0326/files/61145849800.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_off00005388.bin)

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