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://gettraff.ru/strik?keyword=appointment+sheets+printable In PDF document text

  • https://site-1036921.mozfiles.com/files/1036921/95276088578.pdfIn PDF document text
  • https://site-1037057.mozfiles.com/files/1037057/93641937330.pdfIn PDF document text
  • https://site-1039583.mozfiles.com/files/1039583/maravemuxejot.pdfIn PDF document text
  • http://files.quantumshiftdynamics.com/uploads/1/3/0/8/130874253/jemavijugaram.pdfIn PDF document text
  • http://files.fourleggedfreedomrescue.com/uploads/1/3/1/3/131380356/960be3a314c7706.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1534/7103/files/vanolamixega.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4610/0374/files/hunterdon_central_high_school_calendar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8143/3242/files/radowanove.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/9617/2453/files/25656542928.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e266f2f8-e92f-455e-bcb8-ae272f886578/vukumedafibewal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ea74078-f929-4723-85e6-46a527000804/94555736678.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a25737c-7c13-4083-9050-6cb9b91c4383/24652578424.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38a2b9d9-916c-483a-80f8-234188e60549/39115201845.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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