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://cctraff.ru/strik?keyword=star+rose+quartz+skull In PDF document text

  • https://cdn-cms.f-static.net/uploads/4418381/normal_5f97d386e3c6b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376879/normal_5f8bb9b955261.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402519/normal_5f91b6639ea94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393499/normal_5f8eb063b5d44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379486/normal_5f8c68f21e4d5.pdfIn PDF document text
  • https://nejalebemenogun.weebly.com/uploads/1/3/1/0/131070187/4509698.pdfIn PDF document text
  • https://jimagofer.weebly.com/uploads/1/3/0/8/130813953/fe1f99320d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007479.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007479.bin)
  • https://cdn.shopify.com/s/files/1/0432/2348/2530/files/snap_on_1_2_impact_socket_set.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e98418e-7b1a-477f-94cf-b1f1e9ad9e5c/34576340398.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a889821a-834a-48ee-a533-dd35827a3447/valabekosovines.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7dcdad93-b2a5-4184-8596-9153511c377c/zuwokowowatogiwagerumi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4c59066-f728-49e7-b8e5-6d2a8756682a/51341806036.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2eb1ba2-452c-4994-b4a3-91f5fe7bcd78/food_action_plan_spanish.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23d90f1d-5d70-4734-b0e1-dd3e7ca9f596/azo_legit_bowling_ball.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b1004d0-a53a-4928-a5da-b5a5231072e6/xijodosujunolijejuxovubi.pdfIn PDF document text
  • https://s3.amazonaws.com/jasadavebaga/95106288274.pdfIn PDF document text
  • https://s3.amazonaws.com/xurixado/belladonna_alkaloids_davis.pdfIn PDF document text
  • https://s3.amazonaws.com/jifesu/76269917606.pdfIn PDF document text
  • https://s3.amazonaws.com/ruzumeb/13202822848.pdfIn PDF document text
  • https://s3.amazonaws.com/zonebon/xumapaxefabamiluxevobinu.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 extracted file (font_00_sfnt_off00007479.bin)

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