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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://gettraff.ru/strik?keyword=financial+awareness+for+bank+exams+pdf In PDF document text

  • https://site-1036965.mozfiles.com/files/1036965/26057096223.pdfIn PDF document text
  • https://site-1042624.mozfiles.com/files/1042624/xesaxupovadisos.pdfIn PDF document text
  • http://watabow.auroraarearta.org/uploads/1/3/1/4/131437822/lomegologarod.pdfIn PDF document text
  • http://files.cairngormwildernesscontracts.co.uk/uploads/1/3/0/8/130813750/e8e908589f68fb1.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/1/0496/7215/9395/files/gatlinburg_convention_center_gatlinburg_tn.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1684/5469/files/54844897816.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6302/0193/files/personal_anchor_system_pas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/4222/5566/files/center_school_longmeadow_staff.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/7494/3897/files/electron_configuration_rules_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0461/7119/files/what_is_the_main_idea_of_this_article_excerpt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6498/6266/files/dexter_public_schools_credit_union.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7202/3445/files/zujumirij.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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