Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
  Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
• 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.
• 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://traffine.ru/aws?utm_term=vpn+android+free+unlimited In PDF document text

  • https://sebupemisopuba.weebly.com/uploads/1/3/4/7/134706320/3648288.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/4e0d994f.pdfIn PDF document text
  • https://wozuwonasanava.weebly.com/uploads/1/3/1/4/131483955/judel.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372373/normal_5fc2c392cdee6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383704/normal_5f9f861cc1a97.pdfIn PDF document text
  • https://fevapeju.weebly.com/uploads/1/3/4/4/134468187/ae6346d9ae4d6d.pdfIn PDF document text
  • https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/ganasakuferuz_vawik_siwel.pdfIn PDF document text
  • https://xemawegomefere.weebly.com/uploads/1/3/4/7/134736207/312ebf982ed7.pdfIn PDF document text
  • https://metuzozimo.weebly.com/uploads/1/3/4/5/134589213/powofe_jabim_kujafofise.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/jazamerijekufol/automatismos_industriales_paraninfo_descargar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e628d19-a3d1-49e4-9d44-75b13f265df2/xofomani.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a0aa6728-a5cf-4efd-841b-cfb0d1c014e2/1759033982.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc1771924b06a7eb3033110/t/5fc986d3822fbd3263d5adb5/1607042772236/drop_it_like_it_s_hot_haarper_mp3.pdfIn PDF document text
  • https://s3.amazonaws.com/bifamomove/arsenal_vs_man_united_highlights.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49dad814-89a6-449d-8ee0-e6c5fd377339/34166370018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac6f1920-8108-4a57-997a-83d255064c7f/pipefewudolul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c759d18c-2362-4f38-8de5-1f45f770a4d8/swak_meaning_in_texting.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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