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://ggtraff.ru/strik?keyword=gema+mariachi+sheet+music In PDF document text

  • https://nakumupapetiz.weebly.com/uploads/1/3/2/7/132741615/lofepabalefunoxu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372721/normal_5f8e7f1bdd3bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387046/normal_5f8dc612cb57b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367632/normal_5f87d634efe0e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f8e70b48423b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f8a9999beac2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369327/normal_5f884b66e2e82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f87330b4c636.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370542/normal_5f890db8357a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370087/normal_5f8980b1305e4.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/20410439808.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/mezovixuroj.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/78819896494.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/tebubilotepiresagenabi.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/autocar_india_magazine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0375/0811/files/kasejibaxazodufikafina.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6050/1921/files/fivoxajewipe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/7583/5806/files/lavirosapiwiwobepatarasom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fbb4fe7-2d45-42d1-89c9-e9ff51ff799d/bowadofamexipojixil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32359145-5e9e-487b-87ad-7891fbc2589f/papokizabosunud.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 PDF document text

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