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=ayurvedic+upchar+in+marathi+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4417138/normal_5f953c2518c5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388173/normal_5f96172cdb35a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390385/normal_5f91335920d45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391015/normal_5f94887c9ee6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382186/normal_5f8e625ee2f90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409411/normal_5f95877231273.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384819/normal_5f8d24c234b29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381543/normal_5f8b48869fc4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367310/normal_5f87421e22f80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365582/normal_5f920bac8070d.pdfIn PDF document text
  • https://ravidaxixow.weebly.com/uploads/1/3/4/3/134315840/furijak.pdfIn PDF document text
  • https://jewuvasoseximu.weebly.com/uploads/1/3/4/3/134355154/nerunejiw.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005edd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005edd.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_03_sfnt_off00009f08.bin)
  • https://s3.amazonaws.com/rubidokezive/bayesian_learning_for_neural_networks_neal.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/bmtcn_certification_review_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/jenodipufevumetisin.pdfIn PDF document text
  • https://s3.amazonaws.com/wisuw/41374324960.pdfIn PDF document text
  • https://s3.amazonaws.com/kikunojulejuj/84549311629.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3540/1112/files/the_ultimate_scholarship_book_2018_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8363/5619/files/solving_multi_step_equations_inequalities_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/3125/4980/files/roblox_apk_mod_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/6412/2276/files/89853638966.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8526/1717/files/36467657131.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_off00005edd.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off000070dc.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off000070dc.bin)

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