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://traffine.ru/wb?keyword=pokemon%20white%20apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4416928/normal_5f97700e56ed1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4428045/normal_5fa2bdf15d2eb.pdfIn PDF document text
  • https://xerukarikudi.weebly.com/uploads/1/3/4/3/134316935/9f7d1.pdfIn PDF document text
  • https://lekinowi.weebly.com/uploads/1/3/4/4/134476644/7336074.pdfIn PDF document text
  • https://ritobawen.weebly.com/uploads/1/3/4/4/134486043/499050.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373768/normal_5f903786e7d08.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/b4b3eb38b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374540/normal_5f904f14d0ee6.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/46b5633b-745b-47c0-b47a-dc84df7742fa/probability_and_statistical_inference.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12262fe9-54a5-437b-985e-e9a959086892/danovale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9eab4063-e128-459a-91f5-e1b712600fb4/75705037970.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d09eb87c-7c20-4cfe-b396-3642af79dc4b/rebel_flag_boots_for_men.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef06a31f-0b5c-4d03-af6d-46a87df91318/95797641994.pdfIn PDF document text
  • https://s3.amazonaws.com/radubozufiwo/4th_and_goal_2018_unblocked_76.pdfIn PDF document text
  • https://s3.amazonaws.com/vavebufevodutob/windows_store_app_signing_certificate.pdfIn PDF document text
  • https://s3.amazonaws.com/nitatotol/lg_env3_owner_s_manual.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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