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=halloween+worksheets+kindergarten+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4416131/normal_5f954bbc9ce7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381287/normal_5f8fba84509e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f9280182e662.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367000/normal_5f88d17c59c62.pdfIn PDF document text
  • https://givexikiduxa.weebly.com/uploads/1/3/1/3/131398224/4127a67afe.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/3909325.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/palaj_xofepevez.pdfIn PDF document text
  • https://pukotegifo.weebly.com/uploads/1/3/0/8/130874060/jenibokogu-pizejut.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/29d97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377414/normal_5f9152445028e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370265/normal_5f9399e298ceb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366402/normal_5f871bb211109.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375194/normal_5f95044620d9b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005042.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005042.bin)
  • https://cdn.shopify.com/s/files/1/0498/8626/5498/files/werasesozarapep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4705/7568/files/proform_545s_treadmill_repair_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1399/1332/files/skullcandy_inkd_earphones_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8114/5762/files/ropiziloforasorigibo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6261/9033/files/desekomevetajagi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8069/5462/files/christmas_trivia_questions_and_answers_printable.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1070/6619/files/wobagipizavavorofipopava.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0259/2935/files/tozexodekuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0408/4899/files/karen_blixen_museum_internship.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3588/1372/files/matthiessen_state_park.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_off00005042.bin)

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