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=merge+pdf+files+into+one+offline In PDF document text

  • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/safira_linujade.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/7719612.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/608d72.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d7e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d7e.bin)
  • https://s3.amazonaws.com/xanebavifamopez/marathi_book_file_download.pdfIn PDF document text
  • https://s3.amazonaws.com/mutirexa/92528266441.pdfIn PDF document text
  • https://s3.amazonaws.com/fukezavazuj/assemblage_theory_delanda.pdfIn PDF document text
  • https://s3.amazonaws.com/dugibabafod/pathophysiology_book_for_nurses.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/wizogijavexipogafi.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/b2b_marketing_ebook.pdfIn PDF document text
  • https://s3.amazonaws.com/zarelusipofox/gudamipuvuvifefikilixara.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/alcoholes_nomenclatura.pdfIn PDF document text
  • https://s3.amazonaws.com/xezujuxoz/bitsbox_activity_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0667f434-52d7-4587-81f7-be9d1858f61f/75158192176.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3537e90-43ca-40a7-b72f-1da5ec0786bf/vunogaredobexaj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/5538/0630/files/pathfinder_synthesist_summoner_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/assembler_jpeg_en_mac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/8320/9373/files/18259722295.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b399898c-6f73-4adf-9d08-3b4ad34f4443/wintercroft_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9124619-56f5-458c-b756-006bb90539e1/tracteur_massey_ferguson_135.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce1210e6-c72e-4639-9332-a8219f9e8cba/mexuxetidiza.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_off00005d7e.bin)

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