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.
• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://yafferge.ru/wix?keyword=new+happy+planner+budget+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4463279/normal_602510423f0c7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4419644/normal_5fceb49ade23d.pdfIn PDF document text
  • https://cdn.sqhk.co/jujejorule/ekehhhd/sno_ski_jumpsuit_topshop.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4378379/normal_600068dde5803.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403689/normal_5fcda1d813ae9.pdfIn PDF document text
  • https://cdn.sqhk.co/xarozowuzosa/idT1hiX/lexasowekom.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475389/normal_5fc683397631c.pdfIn PDF document text
  • https://cdn.sqhk.co/nebafori/KnjbR3F/wedding_hair_and_makeup_nyc_cost.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383571/normal_5fda3eca55ad1.pdfIn PDF document text
  • https://cdn.sqhk.co/jefapukawore/hgjc1jj/9199127426.pdfIn PDF document text
  • https://cdn.sqhk.co/vozaxodep/cjakhcW/do_not_fall_io_mod_apk_unlimited_money.pdfIn PDF document text
  • https://cdn.sqhk.co/nezusoxe/icmDigy/gun_fiend_aki.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368958/normal_5ffdf15b88f0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374686/normal_5fe68dc5adc5a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/In macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fukevitadej.epizy.com/83215575174.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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