Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://traffking.ru/strik?utm_term=midland+high+school+texas In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f870ce8a4fb5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4501810/normal_5fc72601510d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370275/normal_5f9d2477c3545.pdfIn PDF document text
  • https://zavomori.weebly.com/uploads/1/3/4/3/134335150/9625498.pdfIn PDF document text
  • https://rigafefabapamum.weebly.com/uploads/1/3/4/4/134486683/9004819.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdf6543f75b166439aa581/1606284885794/when_using_a_perpetual_inventory_system_the_journal_entry_to_record_the_cost_of_merchandise_sold_is.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd3dfb2378d9213a93c78c/1606237692669/31088790023.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc1262c084698658e5fcd88/t/5fc565e02dd96f5918a301e4/1606772193601/farberware_1.9qt_air_fryer_manual.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc10f0fab79f442f22a8155/t/5fc310903c02f22b9d7203e6/1606619282878/kinogeranobizefixesubenej.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc6692c60f2895dc10d8c09/t/5fc7267bc7c45a5eafa0d303/1606887036491/hiking_the_triple_crown_of_virginia.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0e2b72bbd740658066ec4/t/5fc3c3d3a97599144e6b27a7/1606665171071/56036318087.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf4d2f173fb5383b989de1/1606372656379/cargo_bridge_2_unblocked_games.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/977fa82c-adfa-4936-a189-017ae46edb7a/jebigebudewiluluvavaloso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25e250fc-6a61-4d29-a14f-2621bcb32901/jomire.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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