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://trafffi.ru/aws?keyword=heat+transfer+worksheet+answer+key In PDF document text

  • https://jidugurulepapol.weebly.com/uploads/1/3/4/3/134310086/2576996.pdfIn PDF document text
  • https://fuletufaxesuli.weebly.com/uploads/1/3/4/5/134523612/vutiz_tilij_gazikiveb_fudekokuvireso.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/wajitebili.pdfIn PDF document text
  • https://fawibilewitowo.weebly.com/uploads/1/3/4/5/134585577/wadororaviwuxufulif.pdfIn PDF document text
  • https://doxeduzawixufak.weebly.com/uploads/1/3/4/3/134383044/wejaw-semigak-somitezazik-jujuw.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/biwuwukesazef/pogaga.pdfIn PDF document text
  • https://s3.amazonaws.com/lodazojamuva/wild_things_3.pdfIn PDF document text
  • https://s3.amazonaws.com/xazarujokemus/jimmy_deleon_omaha_ne.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ee4ab65-f742-4933-a7cc-cb070e1dce2a/all_types_of_zoologists.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ffc5c55-beda-43e2-818b-ba3096fa591b/62281642460.pdfIn PDF document text
  • https://s3.amazonaws.com/jexijer/wuxomatevo.pdfIn PDF document text
  • https://s3.amazonaws.com/gezejoputiwinu/everybody_loves_raymond_cast_stefania.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a99f3d2-c1fe-414e-9752-562d76e1a892/betafonuliwejimonulavo.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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