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/pify?keyword=windows+mobile+10+android+apps In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386837/normal_5f935ea2d42be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381971/normal_5f94cd875736a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000075ad.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000075ad.bin)
  • https://cdn.shopify.com/s/files/1/0484/3008/8342/files/72267287822.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8663/3377/files/walmart_app_receipt_scanner.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/2056/9752/files/18396880179.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4655/2227/files/95261228615.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1055/4013/files/historia_del_basquetbol_en_mexico.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4329642f-2065-48a0-b990-0a1fdd4635f0/alice_no_pais_das_maravilhas_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c8a663e-672e-4443-ae61-5ef9dc8ddf02/kudozufazuripebe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2eccb73a-04a9-4c1c-a948-6f607a7479a4/nusudubuto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c41efbad-499b-4b0c-97eb-afe9106d5039/return_to_vendor_process_in_sap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9768cc6-9d49-4d2f-ade1-71c2b07c51ac/kukalus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4d31e80-a2e3-4bb9-9dc0-a5915b0ef624/35873119534.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5908/8022/files/73090958940.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/pudisubiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7749/1618/files/hidratacion_plan_a_b_c.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8494/6850/files/osteoporosis_guideline__2020.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_off000075ad.bin)

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