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://crophysi.ru/wix?keyword=cmd+for+android+apkpure In PDF document text

  • https://cdn-cms.f-static.net/uploads/4460251/normal_600c7a8494fa5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4427274/normal_6001211432ea1.pdfIn macro / runtime command snippet
  • https://cdn-cms.f-static.net/uploads/4480585/normal_6009ae7caa8c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443803/normal_601cf9efe1847.pdfIn PDF document text
  • http://giveaway2020.info/bullet_for_my_valentine_songsdv1oe.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411501/normal_5ffc2bd88dee3.pdfIn PDF document text
  • https://cdn.sqhk.co/wijelukifap/vlHofgh/mods_installer_for_minecraft_pe_apk_download.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385633/normal_5fd0a0c3247b6.pdfIn PDF document text
  • http://itdomen.fun/kitepuwizatadisevp0wgq.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386089/normal_5fd11eac14b8e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444866/normal_6017a2e80695d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454436/normal_5fe73320a0d7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploadsIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/kigavanus/spotify_premium_apk_hack_latest_version.pdfIn PDF document text
  • http://gofabudif.epizy.com/zaparomexozapix.pdfIn PDF document text
  • https://s3.amazonaws.com/divikufifir/83887829602.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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