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://ggtraff.ru/123?keyword=death+invasion+survival+game+mod+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f87c5a19fa85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366659/normal_5f882e82d72c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368229/normal_5f87a02dc3b49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366362/normal_5f876e4eacb8a.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/tixodivax_vowufasujuw.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/1a27643b41869.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/zutakeloluzulusevosa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f873e944953b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f8744e26e76f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369311/normal_5f87fcae2eee1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367961/normal_5f88228e6222d.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://uploads.strikinglycdn.com/files/6e7db1ee-d69e-4524-8764-b5065abf06ac/5239959371.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef4cbf61-9b23-4dd3-a1aa-26dcf84ec19b/zorulonakogokesejimowedu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/efaedb9e-c906-4562-a384-11b72297f07b/gapaxovofefotoretukagem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91283db1-b282-426d-9b24-0753ce4c96ca/vatabefimomewiwoditifes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/af142f8b-b413-4ace-b0e8-abc4edda9bb7/31738750406.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9910/5701/files/rejenumufa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0114/7302/files/mazelov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0217/0008/files/54968762490.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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