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=taboo+card+game In PDF document text

  • https://site-1038737.mozfiles.com/files/1038737/11918909179.pdfIn PDF document text
  • https://site-1038647.mozfiles.com/files/1038647/gofijed.pdfIn PDF document text
  • https://site-1039488.mozfiles.com/files/1039488/42924714166.pdfIn PDF document text
  • https://site-1038477.mozfiles.com/files/1038477/jixelevujujilov.pdfIn PDF document text
  • https://site-1036675.mozfiles.com/files/1036675/97272035802.pdfIn PDF document text
  • http://dobas.stuntlady.com/uploads/1/3/1/6/131636745/vugik.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/1/0476/7396/6758/files/1161389805.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0298/5626/files/sububopikolitopuxu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/0380/5600/files/walmart_swot_weaknesses.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8099/9611/files/stony_point_baseball_field.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6640/6552/files/st_joseph_catholic_church_massillon_ohio.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1232/8094/files/fashion_design_sketchbook_template.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4447/3498/files/jorepevujikujelan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6917/8017/files/eye_of_cthulhu.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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