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.me/123?keyword=asrm+guidelines+for+number+of+embryos+transferred In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87bff87d3e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370077/normal_5f8b8a0bda3af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369936/normal_5f8aa39f72a63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367019/normal_5f8b6e61b82b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370073/normal_5f898a3283cd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8a25c3dd6ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369788/normal_5f87db9d26f3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f8b5a13aa7f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f8749ece2b14.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366004/normal_5f89eadaa8272.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369917/normal_5f8a421b91a05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f8a2f835fb81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368467/normal_5f8a9e20dfb93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365638/normal_5f8712fbd21c1.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/1/0427/6341/9815/files/rejizemizewipopu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6377/1293/files/46956861135.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2721/0144/files/novanebuvubibusodipirer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7534/6847/files/zebifitovatevamazag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d341fad-472a-4759-a54f-cf840309a868/15043536793.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/936ab911-1ec6-4db2-824e-66ba8ee1b91b/nopovox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20925545-546e-4ab0-8111-fe025b1295a0/18625855407.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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