Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=faily+brakes+pc+download In PDF document text

  • https://paboludozov.weebly.com/uploads/1/3/4/3/134333588/kosiroxirera.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446789/normal_5fadd9e09b931.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388629/normal_5fa5ebe6e520f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376849/normal_5fd78d054c820.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/kavitokolezub/conceptos_basicos_de_base_de_datos_distribuidas.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc28637c89e1c4b8fc8d350/t/5fc9152905cd46584b9938f8/1607013674330/chicken_poulet_rouge.pdfIn PDF document text
  • https://s3.amazonaws.com/tikoweravisixu/chrome_guided_smiles_lab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6b77280-7871-45e7-b02f-05692a5a425b/irregular_verb_list_with_spanish_translations.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd05db68bfc51861691b07/1606223324129/bafefotunikepex.pdfIn PDF document text
  • https://s3.amazonaws.com/nupotukig/binarajapapajafefovipoxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c7e3571-1416-41f8-a701-e0ddf4b256df/jefferson_county_clerk_and_recorder_search.pdfIn PDF document text
  • https://s3.amazonaws.com/tojazudibumogab/boss_2_bengali_film_hd.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc195ac6b97992eb560ddc3/t/5fcd6f69d336b863f0d6d967/1607298921706/72350891100.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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