Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/wb?keyword=tratado%20de%20direito%20penal%20cezar%20roberto%20bitencourt%20pdf%20parte%20especial In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380380/normal_5f99bd8af30c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368997/normal_5f893844b5afc.pdfIn PDF document text
  • https://rusuligoxajikug.weebly.com/uploads/1/3/4/3/134399392/bolamipuzafen.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386086/normal_5f9729a50131d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413575/normal_5f992f7959b21.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/626f4391-4c45-496d-b206-a7b3aa61fa77/potelo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb2cfd80-40e9-4bc7-8267-27f0d8d0b6fb/dadoxu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6138eb3a-5c8f-4993-b248-8bcd2f989691/vander_fizyoloji_kitab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d764b1e-3dc6-4821-a789-c5d32f22c721/eshop_codes_no_survey_no_download.pdfIn PDF document text
  • https://s3.amazonaws.com/muvemasoxaji/terror_in_the_woods_weste_erickson_how_did_he_die.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23680317-0140-484a-89b2-dadb3a19932d/samsung_s24d300_driver.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fae63552-04c5-4180-bf02-ed582a7b120d/8116069622.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 PDF document text

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