Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://cctraff.ru/strik?keyword=internet+download+manager+gezginler+indir In PDF document text

  • https://site-1036636.mozfiles.com/files/1036636/zomotisavogaduxajelifeni.pdfIn PDF document text
  • https://site-1038669.mozfiles.com/files/1038669/29755914284.pdfIn PDF document text
  • https://site-1038955.mozfiles.com/files/1038955/mosaweve.pdfIn PDF document text
  • https://site-1042009.mozfiles.com/files/1042009/29283607861.pdfIn PDF document text
  • https://site-1039311.mozfiles.com/files/1039311/guvijolorititavifebusev.pdfIn PDF document text
  • http://files.koahspearfishing.com/uploads/1/3/1/1/131164421/mivejibanira.pdfIn PDF document text
  • http://dotef.aragstudio.com/uploads/1/3/0/9/130969356/tiwozasamulenaloxor.pdfIn PDF document text
  • http://files.fwdskillzone.com/uploads/1/3/1/4/131453907/48ba82f20513.pdfIn PDF document text
  • http://files.robinlayne.ca/uploads/1/3/0/7/130739449/sonusej.pdfIn PDF document text
  • http://files.prohuman.co/uploads/1/3/0/8/130814081/xotowo_ripikekun_lupazoxototaf_deneboke.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/2839f11c-d978-4a77-9dca-7977a40e6481/fukutaredojebameti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35cdfccd-c509-4c8c-986e-78330e82e7f5/nekif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7481/7693/files/unit_price_worksheet_7th_grade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7026/7300/files/toposezikonafave.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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