Malicious PDF — malware analysis report

Heuristics 5

• 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 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=descargar+samples+para+virtual+dj In PDF document text

  • http://lovukaxa.rurbanbrewing.com/uploads/1/3/1/4/131406121/bupivogotetem.pdfIn PDF document text
  • http://files.arturostabile.com/uploads/1/3/1/6/131606396/najisexedi.pdfIn PDF document text
  • http://jawif.thesecretkitchencafe.com/uploads/1/3/0/7/130775934/zaravavizijebe-kuzofezobutiv-gojinejika.pdfIn PDF document text
  • http://pewobamag.miamidogshow.org/uploads/1/3/2/8/132814930/wikuseka.pdfIn PDF document text
  • http://files.roamingcic.com/uploads/1/3/1/6/131606491/jowezaru.pdfIn PDF document text
  • http://files.indonesiaagainstaids.org/uploads/1/3/1/4/131437668/a9d2c3940b730.pdfIn PDF document text
  • http://files.shipofimagination.com/uploads/1/3/1/3/131398025/5022954.pdfIn PDF document text
  • http://bixinise.lakerupdate.com/uploads/1/3/1/4/131406650/wewaxo-rowuvedelebegaw-gekulas.pdfIn PDF document text
  • https://site-1038794.mozfiles.com/files/1038794/tinokasafesivin.pdfIn PDF document text
  • https://site-1044018.mozfiles.com/files/1044018/volugat.pdfIn PDF document text
  • https://site-1038702.mozfiles.com/files/1038702/71638530074.pdfIn PDF document text
  • https://site-1037843.mozfiles.com/files/1037843/bokajuwimutegubuwifiberu.pdfIn PDF document text
  • https://site-1039456.mozfiles.com/files/1039456/divez.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/cdd15665-0a01-4ee6-903b-fada9bdf78e6/rudoneged.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a845c95c-12bd-4bf1-841f-ce361e26a443/dufofobetomalofunewides.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7134fa3f-13fe-449f-a252-651fcb654e6e/33055357631.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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