Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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://ggtraff.ru/wb?keyword=latest%203%20bedroom%20house%20plans%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386335/normal_5f8f4f9575645.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366399/normal_5f8821b6e325b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378857/normal_5f928d9b08e62.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417670/normal_5f9617b7258ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366388/normal_5f8c846b2ea9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379973/normal_5f8d3d0e1c5af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369932/normal_5f8b2eae1f9b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380079/normal_5f96625711947.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371003/normal_5f8d0b1c319b3.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/770cead1-acc2-4991-a16c-b869ca629a29/king_by_lauren_aquilina.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec2476a8-7b62-4aff-aa24-329ed9794d9f/43522479350.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35d60ccd-34f3-402c-b6f4-9e6fe9499035/53469884332.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d273c89-57a8-4698-bd96-28db8de6699a/kosoxod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2544bcd7-1710-4589-be5c-b3b333409cb4/71513350158.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/2906/0001/files/71376866772.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7865/7203/files/nasikerenazozejanivagujot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4095/1448/files/30637300223.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/vexawadixi.pdfIn PDF document text
  • https://s3.amazonaws.com/tobobowu/castells_communication_power.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f578187-9077-410b-8ed5-7bebcf1de649/forepabejowiwa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad7b6909-0427-4286-a900-7e771d658c0a/japugure.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d38f5d77-6790-4e48-a0a9-6e8601c6064c/96430378351.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6d147d6-6ed1-45d4-a99c-d71a7106419f/newiwodesorozed.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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