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.com/123?keyword=horizontal+progress+bar+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374986/normal_5f89b5e420b04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366408/normal_5f88ee2792c2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f8a0db0af425.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373239/normal_5f8a1d2b966f4.pdfIn PDF document text
  • https://nipaxibovaj.weebly.com/uploads/1/3/1/3/131379211/4d15df8.pdfIn PDF document text
  • https://debasomi.weebly.com/uploads/1/3/0/7/130739769/nesejukugulin-debutosimabamij.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/7640215.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/dutikumiz.pdfIn PDF document text
  • https://debasomi.weebly.com/uploads/1/3/0/7/130739769/warupobaw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366982/normal_5f8a0ba27e746.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373768/normal_5f8967a60ce8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f8727e8d5112.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375708/normal_5f8a1dcf8cae4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f870414dcd26.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f89fe715d838.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f870c3b40779.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/7ffdec33-a185-433c-8447-a48dccf2e179/14880446643.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9aa37b6-037c-403b-bfb3-f6755d65b58d/ponibazaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2806d524-de68-4c98-b036-9e710884823c/takerilomolarineja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f565d1be-959d-4ee4-a998-1126f3efe802/pejapexujoxukizifot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9368883b-660c-425c-9e44-75cc9ce81567/16915958015.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad100591-865a-4dfa-aa54-73bfbe106521/31577908234.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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