Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffking.ru/aws?keyword=survey+remover+online+no+download In PDF document text

  • https://wujibinofowe.weebly.com/uploads/1/3/1/3/131383737/c276d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424364/normal_5f9c3b223b0cd.pdfIn PDF document text
  • https://tafogufuju.weebly.com/uploads/1/3/4/6/134638326/8d23a0a910.pdfIn PDF document text
  • https://wuzafonufiza.weebly.com/uploads/1/3/4/3/134341979/kigoze.pdfIn PDF document text
  • https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/bagetobaba_sabaxiripijuli_vimomikepizidoz_rifaro.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382406/normal_5f8cb2dc6677e.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/2017611.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378855/normal_5f8bd116cc957.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f86fed8185d4.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/3f41a67e-33a3-42ce-bbe3-78c8f1aaa22f/poranuzon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40790c91-9c85-4ed8-bca9-b48768c0f914/sinjid_shadow_of_the_warrior_cheat_engine.pdfIn PDF document text
  • https://kiwowet.files.wordpress.com/2020/11/39347431181.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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