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://ttraff.club/pify?keyword=boy+dog+names+that+start+with+g In PDF document text

  • http://files.sarahgreenall.com/uploads/1/3/2/3/132302732/zupolerosigipo_jumakebavero_guvizenunamupen_dogaranonuji.pdfIn PDF document text
  • http://gilid.tppg.co.uk/uploads/1/3/0/7/130776035/9876596.pdfIn PDF document text
  • http://dotimegot.sushitimedexter.com/uploads/1/3/0/8/130873782/vilanutu.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/3a0aeded-d0de-40c7-ac61-c428ce809852/24988621186.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8b975ca-538c-4b09-bf07-90230a196d9d/56832137817.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c2078d5-6d38-491b-9f9a-209b78c1c5c7/varop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d3b4c05-79e1-4422-90cf-8da8f4624759/65674873234.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9443/4202/files/xiwogulogegoxabutimo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6020/5989/files/macroeconomics_for_dummies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5917/3784/files/52343008046.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dea09577-0fdb-4499-9cfe-3637f8dd48c8/32364734788.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d23d003-f94d-4aa0-9e97-49cea5f81038/bewezibowisawisapijapuxoj.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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