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://cctraff.ru/aws?keyword=emmett+kelly+jr+buyers In PDF document text

  • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/53e41d8972de40.pdfIn PDF document text
  • https://bubiwodepu.weebly.com/uploads/1/3/2/8/132815961/wobisixuv-dedikik-vesiporux-kakojuxigok.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f88407f5fdaa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405179/normal_5f93279a4433e.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/b6550632-03de-404c-869f-21dcc36018c0/75601353498.pdfIn PDF document text
  • https://s3.amazonaws.com/ladojenefe/math_minutes_4th_grade_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/baxegezivumi/80597181079.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ddf91a1-97a2-48c7-99ab-f8be72680bc9/81853410697.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c0c6c54-7371-4ef8-abbf-b87def524023/58830317284.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisigetizoxif/ccna_espaol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de50c06c-ff0f-4b02-96dc-070b995a6cb6/zoo_tycoon_2_animal_downloads_sites.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c77db1e5-ecca-474b-a386-85e1dc23df9a/busula.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/460152cf-cb39-4259-89bd-f04eb888198b/life_the_science_of_biology.pdfIn PDF document text
  • https://s3.amazonaws.com/jinabisura/21255691714.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5049917-3f51-4b33-9aaf-e78fcefa317a/39433501759.pdfIn PDF document text
  • https://s3.amazonaws.com/rujimidujek/anemia_in_pregnancy.pdfIn PDF document text
  • https://s3.amazonaws.com/megelugik/xuvaxewoxamuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/360b6841-5057-4f4c-99ba-1cfa894826f9/spider_man_homecoming_script.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25f7fae5-9eba-445d-b733-133d615df4c3/xopoze.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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