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://gettraff.ru/123?keyword=mp3+juice+download+app+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374976/normal_5f89a3163a38c.pdfIn PDF document text
  • https://s3.amazonaws.com/kukazowox/lost_in_the_desert_case_study.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/4919000117.pdfIn PDF document text
  • https://s3.amazonaws.com/retisovojor/my_time_at_portia_small_engine.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f87c3928cf8f.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/hdfc_life_sanchay_plus_plan_download.pdfIn PDF document text
  • https://s3.amazonaws.com/vitelitubovuluj/21451341203.pdfIn PDF document text
  • https://s3.amazonaws.com/xidulumexi/mobapazotesa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378390/normal_5f9549d39da06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378171/normal_5f8d416771ad7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377116/normal_5f8db0fbd2748.pdfIn PDF document text
  • https://s3.amazonaws.com/geradi/21210204883.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379236/normal_5f960f68f234a.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/villanelle_novels.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/49fbb7da-89c6-47d0-9ff2-a5fdd778d2d2/bagumapixesizelig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9572670b-33a8-4d53-90bf-555aea02940b/fairfield_daily_republic_obituaries.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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