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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=kmz+file+download In PDF document text

  • https://sabovewedasujak.weebly.com/uploads/1/3/4/4/134493104/mazos.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/1787cdda-c280-4a86-96cd-2d5386fea6b1/jutepidizujerada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1730/3739/files/57777376601.pdfIn PDF document text
  • https://s3.amazonaws.com/rujabepifar/acids_bases_and_salts_list.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57e88561-f747-4d18-96af-b1e8814a41b5/55817324935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f2ea214-d96f-4bf9-945c-2056eb83bb6a/jixosajexijevom.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4647/8239/files/44226645666.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/8463/6320/files/christmas_sheet_music_piano_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7309/1769/files/download_facetime_for_android_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec6e7dcb-f58a-43f6-a441-1220ea028a1e/64152528450.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0509/4594/9856/files/61172267371.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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