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/123?keyword=vba+worksheet+variable+name In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f8755ef43ae0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367650/normal_5f8767a2e8d34.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368226/normal_5f876a304948f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367687/normal_5f874f1a359f1.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/84f6305b-9613-4119-8317-1690916a0036/18297586439.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbdb6ffc-6067-4fd1-b12c-8fb8e22ca1f3/28344254775.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47b89da2-35c9-4d9d-915a-cd273aa344fb/18708304373.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7767/4182/files/bikuvi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3954/2424/files/bluebeam_2018_change_measurement_units.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9359/7601/files/28892159975.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d36e7b26-45c1-4689-a70a-278813973f29/34163381110.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c4485a3-71ea-43f4-b1cf-238aefd68bf1/65081931197.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6bbc4b8-cc62-4876-8d8e-e687c064d4ad/xoxisimisav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06836958-1267-42aa-a5c0-a6e77a8bc6fe/viwulazipave.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09a23401-52b0-4406-ad4c-b8f161a4b945/wanubexexifamemaselas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1792819-c326-4d74-a8bf-23379c0cb2b4/88770098617.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2217a676-f1b7-474b-9044-b58af981b94f/81579762190.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caded00b-4f80-495f-9f83-6751f6b3fea6/91201327513.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18cff4c2-c852-420b-9b64-4e46a263cf79/45985801962.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fafc8ad-3a93-414e-b10f-f2305b5c54f4/joxipig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e90db23-a17c-460f-8384-15279bdbcc07/86371722828.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3cf6431-a504-4f46-a2a4-ff7935bd7f4e/dizefef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b159333-8d45-4d16-bc27-9eb8ee8a05a9/wekifavipagidijasizokat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/951df817-8572-4c9a-8b14-847bb99b4997/23394147239.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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