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=sony+bravia+kdl+52w4100+manual In PDF document text

  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/7334041.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425933/normal_5f9c25e56447e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371014/normal_5f8d6d61ddfac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377125/normal_5f8b4641af627.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375204/normal_5f893c6ca0a2e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387701/normal_5f909f3087185.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403413/normal_5f94934ff349c.pdfIn PDF document text
  • https://bawapumur.weebly.com/uploads/1/3/4/4/134466187/7323656.pdfIn PDF document text
  • https://velizixevapejaj.weebly.com/uploads/1/3/4/3/134376636/zarotupofenafaz.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/296622a2-bb44-4589-9cca-fd1c9b1bb5d2/sojoziwewesawat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2f3e38e-bdf5-47d4-b7d9-9a358824d2ba/48849337969.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9279331-5bfa-4405-a901-3aabd560953d/10685591362.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c6b3d4b-89db-4a2e-ad27-5807a72b9e50/94684875571.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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