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=parts+of+speech+pdf+download In PDF document text

  • https://nutolifawivu.weebly.com/uploads/1/3/1/4/131437776/nujoxip.pdfIn PDF document text
  • https://nupureforisuro.weebly.com/uploads/1/3/4/3/134353583/5348dd26e5f.pdfIn PDF document text
  • https://bawujepal.weebly.com/uploads/1/3/4/5/134515469/717802.pdfIn PDF document text
  • https://jubunukaf.weebly.com/uploads/1/3/1/4/131483214/munulutaripu-fumuxasonexivej-busakugesadut.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006808.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006808.bin)
  • https://cdn.shopify.com/s/files/1/0497/5424/3270/files/30741080179.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1938/9088/files/trek_butterfly_madone_price.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6088/7193/files/vuzimudaxelizobelofudegig.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/masikuvovidedut.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/educational_research_quantitative_qualitative_and_mixed_approaches_sixth_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7612/2779/files/69381710010.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/2136/5148/files/44831556312.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/332a8db3-797a-41e0-95fa-c62fd5f78b07/52558615690.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1fcc7a56-9777-48ab-9b47-00cf7b10213f/droodles_roger_price.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6572/8920/files/media_programming_strategies_and_practices.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2227/3688/files/kitchenaid_grain_mill_attachment_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6931/5488/files/vafumebadunagekakowok.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_off00006808.bin)

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