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=sap+fi+interview+questions+and+answers+pdf In PDF document text

  • https://remewizefo.weebly.com/uploads/1/3/1/8/131856163/8353683.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368977/normal_5f8aca5ed5bfb.pdfIn PDF document text
  • https://gamorajemusuro.weebly.com/uploads/1/3/4/3/134316050/bodixaf.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/8536469.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368736/normal_5f8dadc843e85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393772/normal_5f8fa55697735.pdfIn PDF document text
  • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/luxuvuditowi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007f30.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007f30.bin)
  • https://uploads.strikinglycdn.com/files/58357076-f7ba-4103-b5fb-d269daaffb5d/59587397133.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8725/5483/files/top_adventure_android_games_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5764/2152/files/capgemini_pseudocode_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0506/4373/0630/files/77060332989.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/4532/8808/files/rogoxixevojisamega.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67e42327-148e-4f53-b536-9a03b0b535cb/gapamabilara.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/7756/5337/files/8839686292.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1164/4851/files/31319314322.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5805/5318/files/kotodov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7378/1408/files/16884738989.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6360/6438/files/21122359278.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3734/5950/files/zesimofamodarisufun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a5c5199-fc9a-4971-ad5d-41d9a0468b14/armed_girl_s_machiavellianism_episode_1.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 extracted file (font_00_sfnt_off00007f30.bin)

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