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://traffmen.ru/wb?keyword=us%20oil%20and%20gas%20share%20price%20history In PDF document text

  • https://cdn-cms.f-static.net/uploads/4408170/normal_5fab10919f074.pdfIn PDF document text
  • https://cdn.sqhk.co/kafexobesa/qnuPmhj/home_assistant_homekit._reset_accessory.pdfIn PDF document text
  • https://site-1168003.mozfiles.com/files/1168003/hospital_acquired_pneumonia_ats_guidelines.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365636/normal_5f86f8e838a27.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489843/normal_5fcbfcc233f64.pdfIn PDF document text
  • https://cdn.sqhk.co/bonidanem/R1WBcQj/49051475450.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4453342/normal_5fef8216cb14c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393348/normal_5fa6cc82d457c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xulepiwa/89959726698.pdfIn PDF document text
  • https://s3.amazonaws.com/xuzakob/affidavit_of_residency_template_philippines.pdfIn PDF document text
  • https://s3.amazonaws.com/dirijazi/deep_web_links_may_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/rabewiruzitewa/94341150797.pdfIn PDF document text
  • https://s3.amazonaws.com/gaxuremewuger/english_words_with_urdu_meaning.pdfIn PDF document text
  • https://s3.amazonaws.com/gujutavevive/cerro_castor_snow_report.pdfIn PDF document text
  • https://s3.amazonaws.com/ronenitevodo/comcast_tv_guide_albuquerque_nm.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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