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=radha+kripa+kataksha+stotra+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f88713794ac3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f93183d49878.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393369/normal_5f909056e63ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402949/normal_5f9618875e838.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366317/normal_5f872e2ca4a57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380523/normal_5f94d7803fb1d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417214/normal_5f99ec2124461.pdfIn PDF document text
  • https://dodupezuvu.weebly.com/uploads/1/3/4/4/134443873/a28bfadb.pdfIn PDF document text
  • https://lowizozexide.weebly.com/uploads/1/3/0/7/130776176/2870059.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371258/normal_5f8941df89ee7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f8c2003185a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379606/normal_5f90ba400f8c0.pdfIn PDF document text
  • https://sakuvajavabese.weebly.com/uploads/1/3/1/3/131383602/1146150.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377642/normal_5f8a6df7e9e3f.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/5631673.pdfIn PDF document text
  • https://jupoviladuxeru.weebly.com/uploads/1/3/4/3/134310568/29b18b8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a59.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a59.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000bc3b.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_04_sfnt_off0000ca3b.bin)
  • https://uploads.strikinglycdn.com/files/2cfa11e9-f12b-497b-b9ed-0e5275e820b4/lukuduxaka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdde9dff-bd13-405e-a747-a5bc566dfafe/80747255938.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58f720d6-6046-4c7c-a42b-f7d13ebba615/96904323028.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1393019-a6d7-49d1-adf6-3a842d2d54ce/tivemojivanelovopuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bfcc8445-4cbc-4249-9d14-1419ee3a82f9/11912269907.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_off00007a59.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off00008a78.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off00008a78.bin)

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