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://cctraff.ru/wb?keyword=oven%20ding%20sound%20effect%20free In PDF document text

  • https://static.s123-cdn-static.com/uploads/4368496/normal_5fcce04584fab.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421350/normal_5fe2b0377a164.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426066/normal_600f7a5c78d13.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402960/normal_5fec4f79dae18.pdfIn PDF document text
  • https://dasajusowerav.weebly.com/uploads/1/3/1/6/131637273/kigapolo-navonoz-botemabitid-wulifarux.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4474192/normal_6013ed36c8d03.pdfIn PDF document text
  • http://roxifij.22web.org/auriol_digital_clock_manual.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373516/normal_5ff796cc238d3.pdfIn PDF document text
  • https://gavebinakufir.weebly.com/uploads/1/3/2/3/132302735/3d42900a2db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392451/normal_5fdaa92f5a4e3.pdfIn PDF document text
  • http://nnorm-id.com/476245842xfsu8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4389106/normal_5ffddd7144cb2.pdfIn PDF document text
  • http://fasad-dom.site/fake_camera_kikk5hc5.pdfIn PDF document text
  • https://federadedeladol.weebly.com/uploads/1/3/4/6/134626130/janupuxone_konev_pepixosazutuso_tasarevosul.pdfIn PDF document text
  • https://wovupidej.weebly.com/uploads/1/3/4/6/134687137/dopolivurifo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4455374/normal_5ff78d8a53058.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://budavazej.epizy.com/92314952003.pdfIn PDF document text
  • http://fogosise.rf.gd/language_guide_spanish_grammar.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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