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://ttraff.cc/123?keyword=%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C+%25D0%25BF%25D1%2580%25D0%25B8%25D0%25BB%25D0%25BE%25D0%25B6%25D0%25B5%25D0%25BD%25D0%25B8%25D0%25B5+%25D0%25B4%25D1%2580%25D1%2583%25D0%25B3+%25D0%25B2%25D0%25BE%25D0%25BA%25D1%2580%25D1%2583%25D0%25B3+%25D0%25BD%25D0%25B0+android In PDF document text

  • https://juzugimigiroteg.weebly.com/uploads/1/3/2/3/132302883/affd96fc6f7.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/3513264.pdfIn PDF document text
  • https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/47de143969989c.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/4d5351fbb209c0.pdfIn PDF document text
  • https://fawubanine.weebly.com/uploads/1/3/4/3/134321827/6ecfcc8e9.pdfIn PDF document text
  • https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/8443630.pdfIn PDF document text
  • https://ttraff.cc/123?keyword=%25D1%2581%25D0%25BA%25D0%25B0%25D1%2587%25D0%25B0%25D1%2582%25D1%258C+%25D0%25BF%25D1%2580%25D0%25B8%25D0%25BB%25D0%25BE%25D0%25B6%25D0%25B5%25D0%25BD%25D0%25B8%25D0%25B5+%25D0%25B4%25D1%2580%25D1%2583%25D0%25B3+%25D0%25B2%25D0%25BE%25D0%25BA%25D1%2580%25D1%2583%25D0%2In PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005acd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005acd.bin)
  • https://cdn.shopify.com/s/files/1/0430/2602/2557/files/gebijovej.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7376/3496/files/hp_lovecraft_call_of_cthulhu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9151/8374/files/tipos_de_laser_fisioterapia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6515/3942/files/abbreviated_electron_configuration_for_arsenic.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3359/9893/files/dikomezejiximegikuwuroru.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/6518/6206/files/61140965343.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0646/1605/files/entp_vs_entj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48a1540d-f100-4d63-b3db-ebf39c37dee4/94587709469.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6b6afb3-ee8a-4f18-9cdb-816fccaa269b/qu_msculo_est_utilizado_para_intr.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e36677ac-dcd4-4470-acee-4624e03b1eb9/27740208241.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86e8ceed-f034-4f2d-a33d-89ff927fccfe/braun_differential_equations_and_their_applications.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a30de935-7a3c-4cea-a11a-449d84888df9/jizosuxaxurusukedaninikep.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_off00005acd.bin)

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