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/strik?keyword=ge+service+manual+refrigerator In PDF document text

  • http://pirobabig.jenchristmanproductions.com/uploads/1/3/1/4/131406893/gefogid-riwanavexabefi-wowaber.pdfIn PDF document text
  • http://pitek.pinnaclechristian.org/uploads/1/3/1/6/131636698/2297386.pdfIn PDF document text
  • https://site-1041950.mozfiles.com/files/1041950/64543758749.pdfIn PDF document text
  • https://site-1038492.mozfiles.com/files/1038492/73287629970.pdfIn PDF document text
  • https://site-1037000.mozfiles.com/files/1037000/xozow.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/1/0482/3836/2786/files/golf_rival_cheats_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7074/1416/files/what_is_period_in_physics_equation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2571/8184/files/french_special_relativity_solutions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9772/1506/files/solo_baric_l7.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5148/7910/files/cer_rubric_elementary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1497/4372/files/varewatabowiwutuxurodoje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7125/2896/files/gesenadigizawef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8176/7841/files/the_very_hungry_caterpillar_story_sequencing_pictures.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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