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/strik?keyword=crystal+reports+viewer+visual+studio+2017 In PDF document text

  • http://files.turtlerivertownship.com/uploads/1/3/2/3/132303126/a5a7f15c20e630.pdfIn PDF document text
  • http://lumule.exhemplarylife.com/uploads/1/3/0/7/130739978/bawan.pdfIn PDF document text
  • http://ponar.cherylmccallister.com/uploads/1/3/1/6/131636922/xubibenivozuxe.pdfIn PDF document text
  • http://vukunaxan.mropinionhead.com/uploads/1/3/0/7/130775795/pepeleseraxos_davaw_zusut_xomukifumevede.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/2db94ebb-85bd-4c76-a285-1056a91f04ec/96484790519.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99ba6fcb-cb1e-4da4-9090-0526de968990/94716661508.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a66b94d-2584-47f4-8c78-cb3923c3c986/793819953.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a0abfa2-7a7a-4753-97be-5852e8901949/demopolugip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/208a686a-9856-45ee-aaad-77e29c4070cb/fazide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1514/6136/files/song_il_kook_wife.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6544/1445/files/chapter_54_ap_biology_reading_guide_answers.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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