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://gettraff.ru/strik?keyword=subway+university+mastery+quiz+answe In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f8729d6d8019.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368245/normal_5f8b73399ed5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f87005e3a783.pdfIn PDF document text
  • https://fakimodixoto.weebly.com/uploads/1/3/0/7/130739088/bejedixovirusididero.pdfIn PDF document text
  • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/edbadba.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/eff9d4cc5ab34c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368777/normal_5f879d02d4917.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f87007b1f1d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f8a316f22dc3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368471/normal_5f8b6980a2439.pdfIn PDF document text
  • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/293995.pdfIn PDF document text
  • https://xijonezamo.weebly.com/uploads/1/3/1/4/131407630/6600921.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/rumivijimipid.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/xekena.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8361/5394/files/56910148999.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9286/0318/files/lyrics_of_7_years_old_song.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7751/5941/files/bill_nye_wetlands_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/2988/0981/files/34943707840.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7603/3943/files/54169255455.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8508/4857/files/spanish_vocabulary_with_pronunciation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4241/4493/files/lewurowedaxedob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5337/4874/files/86318256451.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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