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.cc/pify?keyword=energy+types+worksheet In PDF document text

  • http://files.bjaycooper.com/uploads/1/3/1/0/131070051/8790580.pdfIn PDF document text
  • http://files.augenius.org/uploads/1/3/0/8/130874559/294ec178cb48a01.pdfIn PDF document text
  • https://site-1039381.mozfiles.com/files/1039381/gadikiwekezonurexovigi.pdfIn PDF document text
  • https://site-1040988.mozfiles.com/files/1040988/94277615040.pdfIn PDF document text
  • https://site-1039273.mozfiles.com/files/1039273/kuwubujigila.pdfIn PDF document text
  • https://site-1038520.mozfiles.com/files/1038520/lelifapamijuvunidibofumeb.pdfIn PDF document text
  • https://site-1042978.mozfiles.com/files/1042978/92869451240.pdfIn PDF document text
  • https://site-1036697.mozfiles.com/files/1036697/kelarijawigimuzunepepigu.pdfIn PDF document text
  • https://site-1039922.mozfiles.com/files/1039922/4635566050.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/1/0427/7298/8071/files/meno_greek_text.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5975/6702/files/taclane_kg-175_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6378/5112/files/xujifiguxinode.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/0497/2186/files/extrusion_the_definitive_processing_guide_and_handbook.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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