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=pharmaceutical%20biology%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375200/normal_5f8da7c570559.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369932/normal_5f8fda3ca807e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367277/normal_5f8a5a245f085.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377679/normal_5f8faac86c3dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370547/normal_5f94fa836e5fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366406/normal_5f87482d4d779.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393911/normal_5f8f648aad7fc.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005ce3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005ce3.bin)
  • https://s3.amazonaws.com/tadovu/vivulivulimejoliki.pdfIn PDF document text
  • https://s3.amazonaws.com/figugipopar/rifizipa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7eb06646-117e-41f9-bfa2-5ac8d8170c20/invitation_to_the_lifespan_2nd_editi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32b4f043-f0ac-4f19-adb7-7a79a3fcd9b8/18047544336.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc497f59-8c40-41a2-b22b-045461d18872/90546122679.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0dd63ad-5699-44c5-83c2-5817f6fd4211/15320611170.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34471acc-8d31-4571-965d-5aa6f48f346c/bdo_alchemy_leveling.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1f3fb28-20be-4e93-9a77-7046370c6f14/nabufil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6861a86-5f74-4dfc-a439-155da8ba8dfa/android_phone_version_2._3._4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c5fa955-5183-4055-bed5-62d413a0360d/44915043668.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c26f31ca-f26f-47f1-a6a3-0919a9da4223/voziduzavifimunotolaref.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/137d6ba6-fc6d-4aab-80ca-487cffa78a9c/vapobawuluzogo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8bdd92c3-fa05-4e13-bb10-808a2dad72c8/43084732004.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_off00005ce3.bin)

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