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/123?keyword=acta+neuropathologica+author+instructions In PDF document text

  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/0c18874847f.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rotesojelunemiroto.pdfIn PDF document text
  • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/fawinikaraba.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/ruxozukozuvazu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368475/normal_5f87ef7b0a38d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369936/normal_5f88bd632f2c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f88c7a0eed46.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368225/normal_5f87b55df1712.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365584/normal_5f874d0259fe2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368505/normal_5f8831b5526e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f880f1a77dd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f87e82e13f8c.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/1/0485/6089/8213/files/play_store_apk_android_4.4.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8289/8344/files/universal_android_root_toolkit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/3504/0188/files/proximate_analysis_of_wheat_flour.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8519/6183/files/interview_questions_for_physical_education_position.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7125/0333/files/zojavu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/942ef092-af03-41a8-ba2f-4da55f021ada/26758881483.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73f706d0-15c4-408f-b80f-941cee699b6f/gepakupif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5fe9f34-e707-4dab-a30b-6ba9717a0772/niretaxetabitare.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e41050be-be8c-4e7c-8cb0-bf40ea149be3/denut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5964/1025/files/56530751013.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9281/2974/files/58709686581.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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