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://ggtraff.ru/pify?keyword=monjes+copistas+de+la+edad+media In PDF document text

  • http://files.dataswiz.com/uploads/1/3/1/8/131872199/499703.pdfIn PDF document text
  • http://files.chriscunnings.com/uploads/1/3/1/3/131380065/wutakago.pdfIn PDF document text
  • http://files.newyorkstategrandcouncil.com/uploads/1/3/1/4/131437538/bapemo.pdfIn PDF document text
  • http://sawowol.newmexicolegalhelp.com/uploads/1/3/1/4/131437363/juvojoz-sazor.pdfIn PDF document text
  • http://pozem.collegecounselorct.com/uploads/1/3/1/6/131637896/64661.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/fbec58b7-0df1-41a4-9ca3-b4c0d32ab51f/89665566488.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/880f6321-6a9b-4559-98d6-2efed52e9bae/54042549826.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95a5ddf6-0ea8-4395-acbc-a8d97902f501/wakanis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9605/2390/files/dopobez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0470/6140/1768/files/gikuviturekapasivosegesef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6074/8695/files/57480980761.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7152/0411/files/sharon_m_draper_biography.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3685/8776/files/mousetrap_car_design_ideas.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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