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.
• 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.
• 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://yafferge.ru/strik?utm_term=what+is+the+importance+of+knowing+the+music+of+medieval+renaissance+and+baroque+period In PDF document text

  • http://about-central.com/75313527200lulb7.pdfIn PDF document text
  • https://cdn.sqhk.co/nakunadubux/u8djcjj/slim_pencil_christmas_trees_on_sale.pdfIn PDF document text
  • https://rokubupudila.weebly.com/uploads/1/3/1/8/131856034/9019295.pdfIn PDF document text
  • https://cdn.sqhk.co/pasededi/Qjhhhhi/manilla_puerta_en_ingles.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381740/normal_604118a2af72b.pdfIn PDF document text
  • http://groshyk.site/how_to_curl_with_a_flat_iron_weavezcoxp.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387702/normal_60132a7e9a5a2.pdfIn PDF document text
  • https://cdn.sqhk.co/zitibidino/iGjh7kV/community_thrift_store_reviews.pdfIn macro / runtime command snippet
  • http://netewe8.xyz/33240756910un3db.pdfIn macro / runtime command snippet
  • https://static.s123-cdn-static.com/uploads/4491705/normal_5feb1003233e7.pdfIn PDF document text
  • https://xurekibovadava.weebly.com/uploads/1/3/0/9/130969225/sitat.pdfIn PDF document text
  • https://cdn.sqhk.co/vavetiset/PfibXha/38363051103.pdfIn PDF document text
  • https://befugusugub.weebly.com/uploads/1/3/2/6/132683140/zarolozabusuxo.pdfIn PDF document text
  • http://laitlabs.pro/xudofopidofikakifomivtmwb.pdfIn PDF document text
  • http://good-production20.site/cryptogram_puzzle_post_answersznds6.pdfIn PDF document text
  • https://koxizekeb.weebly.com/uploads/1/3/4/7/134770308/konajapekikutu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422637/normal_6054bcbdb17b7.pdfIn PDF document text
  • https://cdn-cms.f-statiIn 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/nedijowewoded/45794071515.pdfIn PDF document text
  • https://s3.amazonaws.com/vibasujefir/tenudolotilojepezip.pdfIn PDF document text
  • https://s3.amazonaws.com/bagisi/90324015756.pdfIn PDF document text
  • https://s3.amazonaws.com/penale/where_does_oxidation_occur_in_electrolytic_cell.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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