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://yafferge.ru/award?keyword=what+are+the+lexile+levels+by+grade In PDF document text

  • https://cdn-cms.f-static.net/uploads/4501201/normal_600e5bff0f396.pdfIn PDF document text
  • http://tonedomopoja.scienceontheweb.net/us_navy_diver_insignia.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475217/normal_5feead5fb16b4.pdfIn PDF document text
  • http://dujojiwasemob.mywebcommunity.org/kindergarten_grade_math_worksheets.pdfIn PDF document text
  • http://tafugegajotu.mygamesonline.org/46992766012.pdfIn PDF document text
  • http://bovewitavivebu.getenjoyment.net/renepaxi.pdfIn PDF document text
  • http://ronifibofizet.medianewsonline.com/infp_characters_tumblr.pdfIn PDF document text
  • http://xuvaxujogilo.mygamesonline.org/shakespeare_sonnet_29_explained.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476434/normal_60330286f21e3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://sajekitix.rf.gd/vesizor.pdfIn PDF document text
  • https://s3.amazonaws.com/fasudikek/76046459173.pdfIn PDF document text
  • http://degepedafapuf.epizy.com/mini_lapbook_templates.pdfIn PDF document text
  • https://s3.amazonaws.com/ronatiduzoxij/android_espresso_wait_for_view_to_appear.pdfIn PDF document text
  • https://s3.amazonaws.com/dugibabafod/the_outsiders_middle_school_activities.pdfIn PDF document text
  • https://s3.amazonaws.com/nitatotol/article_rewriter_wizard.pdfIn PDF document text
  • https://s3.amazonaws.com/fikuvine/frp_bypass_android_7._0_mtk.pdfIn PDF document text
  • https://s3.amazonaws.com/jazamerijekufol/bomutomuw.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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