Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.com/pify?keyword=idsa+guidelines+clostridium+difficile+2018 In PDF document text

  • http://files.cmbuilders.org/uploads/1/3/0/7/130740065/3333488.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/1/0434/8405/3669/files/87995930169.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/4877/2508/files/52024686226.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7121/8588/files/saviturefako.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/0835/8561/files/yah_reserved_fandango.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2562/1404/files/wonderlic_practice_test.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3593/5388/files/76417066136.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9354/1535/files/bank_po_preparation_books.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1054/6070/files/analog_and_digital_communication_interview_questions_and_answers_filetype.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8562/5499/files/aromaterapia_y_aceites_esenciales.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7685/9544/files/product_disclaimer_template_free.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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