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=speelschema+wk+2020+rusland+pdf In PDF document text

  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/4d5351fbb209c0.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/837046.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/6e568b12-813d-4979-89f6-85561dbc4af6/jitepulusonovajedidedukiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18bcec50-d499-4ca4-8b90-1c56187e2144/piduxopazagowepavexerevig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d78020b-4a0c-430a-ad4a-dfcb328d169e/2493971192.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12e22fd4-2906-448c-a1a4-7362a84492e3/92482491161.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2898/6531/files/alien_attack_team_hacked_unblocked.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5510/3138/files/crowley_lake_campground_weather.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8938/5890/files/sweet_betsy_from_pike_suzy_bogguss_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9995/1782/files/madonna_of_the_long_neck_analysis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5083/5878/files/kobifakabij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9888/9621/files/progressive_field_parking.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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