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/strik?keyword=handset+windriver.exe+%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C+%25D1%2587%25D0%25B5%25D1%2580%25D0%25B5%25D0%25B7 In PDF document text

  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/1866603.pdfIn PDF document text
  • https://fufivivol.weebly.com/uploads/1/3/0/8/130873849/vefenafafa.pdfIn PDF document text
  • https://terarawuterojuz.weebly.com/uploads/1/3/0/7/130739827/sinawav.pdfIn PDF document text
  • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/1343052.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/zanazanekoxel.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a10.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a10.bin)
  • https://cdn.shopify.com/s/files/1/0494/4012/9202/files/kujelefinojotemapix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9559/1574/files/soul_worker_stella_advancement_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9833/3091/files/vudu_code_on_walmart_receipt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2726/6217/files/17464024729.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/mechanical_engineering_drawing_symbols_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/51976005667.pdfIn PDF document text
  • https://s3.amazonaws.com/dinilederu/bozew.pdfIn PDF document text
  • https://s3.amazonaws.com/lulelepese/48748679203.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/23948143694.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/24540f01-0265-4fc7-ab3f-690856ee1c6d/62497747007.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2f8fcee-d03a-4f8f-8172-f23d4191fbc6/76039843716.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2542bbb4-4c74-484f-8797-8adb5989bb56/exercice_corrig_cycle_de_vie_dun_produit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aaf9daf1-e24f-4d6c-b4f6-76f7f717c516/covalent_bonding_worksheet_answer_key.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/231a1dfc-194b-4ae5-aeba-e63ad81bd4d3/nexonekodedivebuloze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8fd3baa2-870b-452c-8f3d-a4b072581d91/88988607463.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_off00006a10.bin)

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