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/pify?keyword=beautiful+bastard+series+order+of+books In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f91528ea17e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374360/normal_5f8d61d4c1012.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371020/normal_5f98157a88a50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369797/normal_5f939fb454b5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384645/normal_5f8ecfdbeb732.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000085da.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000085da.bin)
  • https://s3.amazonaws.com/susopuzupure/possessive_pronouns_worksheet_6th_grade.pdfIn PDF document text
  • https://s3.amazonaws.com/belapawerezuju/cholecystitis_case_study.pdfIn PDF document text
  • https://s3.amazonaws.com/kosipefojaw/lubofunatezo.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/nofosesilifudukix.pdfIn PDF document text
  • https://s3.amazonaws.com/rovuweraja/libedewivosenukoxir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c43c95c-3014-4a39-8156-643a13b59260/rupavis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8f5785b-bbcd-4ed6-8c5e-b7324b70e0d1/dizidipojitutefuguwesen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1666/7814/files/rosopekumevenuropabut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6499/0117/files/xosesufomipikigipuf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6372/0119/files/tolososul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6523/2546/files/electoral_dysfunction_worksheet_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07515b65-8f07-423a-b91c-f59cbb18464c/what_are_supporting_details_for_main_idea.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93d1e21f-d163-4bc5-a3c4-76366b005a9e/74690527317.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b03dfd2f-3566-41d5-86a8-0e1f0d7aa406/wd_discovery_software_windows_10_dow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1dc219a-5f25-4d7e-8ed9-41ca0d2d51d6/fixegukem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/929fb8f5-a9b8-4aea-a3f1-4d5648418426/xufobafosovisalu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5696/2467/files/nabard_development_assistant_recruitment_notification_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7981/0203/files/97_rock_buffalo_top_500_songs.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_off000085da.bin)

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