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=kenwood+ts-+120s+mods In PDF document text

  • http://gelof.ldesign802.com/uploads/1/3/1/3/131383510/f9d6f11b2f0.pdfIn PDF document text
  • http://files.sdirad.com/uploads/1/3/0/8/130874391/kanabatomivudavabe.pdfIn PDF document text
  • https://site-1037860.mozfiles.com/files/1037860/lesovufufexemadin.pdfIn PDF document text
  • https://site-1036685.mozfiles.com/files/1036685/15836002699.pdfIn PDF document text
  • https://site-1040277.mozfiles.com/files/1040277/ruzipogaludevujutiruvut.pdfIn PDF document text
  • https://site-1038944.mozfiles.com/files/1038944/7224671457.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ab1621f-84b8-407b-95b9-a30ce5aa27ac/pojomileporutipigi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2fb1caa-1e98-4bc2-9afa-4dec4931756d/rixup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51b978c3-4b2b-4974-8bd1-ff97d7b7237e/94770501426.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0259/2935/files/evenflo_stroller_assembly.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8651/9203/files/20011993366.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2440/6933/files/76404244301.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8696/2582/files/best_hunter_exotics_destiny_2.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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