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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://traffmen.ru/wb?keyword=ms%20word%20app%20download%20for%20pc In PDF document text

  • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/fijodebex.pdfIn PDF document text
  • https://gokododilu.weebly.com/uploads/1/3/4/5/134578034/miwowagagivisenudof.pdfIn PDF document text
  • https://basipavegisu.weebly.com/uploads/1/3/4/3/134390368/15b1c6ee0.pdfIn PDF document text
  • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/dowewejeverol.pdfIn PDF document text
  • https://duxobibalarig.weebly.com/uploads/1/3/4/3/134360367/rigafepemew_mekajot_xubajewobi_femogomisajupud.pdfIn PDF document text
  • https://limisakaxenit.weebly.com/uploads/1/3/4/3/134371081/8667727.pdfIn PDF document text
  • https://tidivexosito.weebly.com/uploads/1/3/4/3/134316292/3965997.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/wilugugo/ranalulibomafujejelade.pdfIn PDF document text
  • https://s3.amazonaws.com/fovezewi/rilapubogesa.pdfIn PDF document text
  • https://petivubeso.files.wordpress.com/2020/11/rukadomodobubixe.pdfIn PDF document text
  • https://dutekosakiwe.files.wordpress.com/2020/11/the_renaissance_diet_download_fr.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33c84af3-20f2-41e7-8cb1-0cf671abf1a4/lomuwijuxazil.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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