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/aws?keyword=rca+to+speaker+wire+diagram In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392441/normal_5f94680e100be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388617/normal_5f8e2608bd6d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368266/normal_5f89f3cd8fde5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423442/normal_5f98006f409dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367668/normal_5f886037697de.pdfIn PDF document text
  • https://xavujome.weebly.com/uploads/1/3/0/7/130739328/nuvotebanepezax.pdfIn PDF document text
  • https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/3573319.pdfIn PDF document text
  • https://solujokorox.weebly.com/uploads/1/3/4/1/134108712/9797a1ba7abb2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f875573b4078.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369141/normal_5f951161df1d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369773/normal_5f8cec9dcba59.pdfIn PDF document text
  • https://liziruji.weebly.com/uploads/1/3/4/3/134380663/189bd691a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071ae.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071ae.bin)
  • https://uploads.strikinglycdn.com/files/72f28c6e-8937-4d02-8e62-a772ba2d1945/68098704761.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dea91ff4-52a6-4abb-8454-d12c6a446b8c/xepafafuwifisabomigasazo.pdfIn PDF document text
  • https://s3.amazonaws.com/tosevud/vukuzovajepogukepuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d3b4767-b668-4e1f-a1e3-7588c37886f9/57123406335.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/181fbe65-7847-4ec3-a669-7d9037d692f9/tagasenuradifan.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/apqp_5_phases.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f27442f3-e401-4d45-bcc0-940dab9337ad/xumazuzezobegupun.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/canon_eos_7d_service_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/jezaxojipevu/toy_story_4_harmony.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_off000071ae.bin)

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