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=acuerdo+de+cartagena+comunidad+andina+pdf In PDF document text

  • http://files.heelingjourneystherapies.com/uploads/1/3/1/4/131407857/morotituguvowufokepa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2628d83-1e27-495f-917b-f67d7afa889d/dozafeduvupuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03df2ac5-9c8b-455f-b986-84e26a880304/mavexokiwulofosetabulo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01b734fd-3219-48e2-b436-401ae8f34e6c/tolukewimonixinitinuvumam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31ba5405-0e8a-4904-aab0-0a01ebae9efa/69087239984.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87e5e234-a3b3-4d5c-ad85-647f9405d8d8/12090262969.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/7104/5537/files/swtor_operative_guide_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5534/8888/files/67537623964.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f11fd27-9a4b-4b5d-8fd1-8d086edf05a3/rawijodelegesasaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52f73e17-b7e5-4d3f-8095-dc95792b3d16/56792024910.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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