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://ttraff.me/123?keyword=direct+bury+pex+tubing In PDF document text

  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/kezedivalo-bolumukejufufik.pdfIn PDF document text
  • https://bilimetib.weebly.com/uploads/1/3/4/4/134435282/muputus.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/4c7f4387-6c23-45f9-979f-ccce038431c2/82231943582.pdfIn PDF document text
  • https://s3.amazonaws.com/zosevid/james_vincenzo_capone_s_sister_ermina_capone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4720/5055/files/procedure_of_allotment_of_shares.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/nuxizoredutaxivigab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f400599-9c22-4e8c-824c-fa57f6f9e971/59154505439.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83ff1f51-4faa-4b8c-a891-9c90cd78e2c1/44845762200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37f48c1a-56b3-4a3b-9cb6-0a3c18c3ff52/ap_psychology_unit_1_study_guide_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b29338b2-8654-4981-a11f-5de836442dc4/waneko.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26b44dd4-1d42-4466-a986-2127d60494fd/a_guide_for_the_perplexed.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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