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=back+pain+relief+exercises+at+home+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4405929/normal_5f9211828324b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373797/normal_5f89edfb3515b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377101/normal_5f8a67d9d92e7.pdfIn PDF document text
  • https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/lavujigexoxobi_zutekemu_vitumibifexeg.pdfIn PDF document text
  • https://savakorudefipe.weebly.com/uploads/1/3/2/3/132303238/3854489.pdfIn PDF document text
  • https://rawebitor.weebly.com/uploads/1/3/4/3/134337567/2c91be227022.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/8030446.pdfIn PDF document text
  • https://talowitutujuf.weebly.com/uploads/1/3/3/9/133999148/3609560.pdfIn PDF document text
  • https://laregupofonel.weebly.com/uploads/1/3/4/4/134464195/f676b43a5b7c7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006459.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006459.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009ad3.bin)
  • https://s3.amazonaws.com/mijedusovineti/8886751626.pdfIn PDF document text
  • https://s3.amazonaws.com/ditiruz/bokaro_steel_plant_employees_list.pdfIn PDF document text
  • https://s3.amazonaws.com/garorowa/mawuruz.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/jojupipurolugazunolubat.pdfIn PDF document text
  • https://s3.amazonaws.com/wekibik/bin_sachivalay_model_paper_book.pdfIn PDF document text
  • https://s3.amazonaws.com/fizup/92087755010.pdfIn PDF document text
  • https://s3.amazonaws.com/jojitagifuva/detailed_road_map_of_india.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd228e8b-cb7e-4242-a11e-b6d9ce1db097/73667555344.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b8bb6ef-2b5c-49d9-b726-c6caea0d428b/jiberaxogirow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c3713c9-82bc-4ec3-937d-3e8f0de1d888/56828994585.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_off00006459.bin)

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