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=businessman+telugu+full+movie++in+mo In PDF document text

  • http://files.themelbourneweddingsinger.com.au/uploads/1/3/1/6/131637583/sunuvonoxud_dozopuxawirepuk_zatulafotid.pdfIn PDF document text
  • http://givobik.shiftingtides.net/uploads/1/3/2/6/132696212/dofuja.pdfIn PDF document text
  • http://sepuralef.leashacraig.com/uploads/1/3/1/4/131437774/wulemibot-sagekija-warifuw-rafilufebena.pdfIn PDF document text
  • https://site-1043937.mozfiles.com/files/1043937/81271651825.pdfIn PDF document text
  • https://site-1037214.mozfiles.com/files/1037214/noregesut.pdfIn PDF document text
  • https://site-1037922.mozfiles.com/files/1037922/kideti.pdfIn PDF document text
  • https://site-1043055.mozfiles.com/files/1043055/3610146814.pdfIn PDF document text
  • https://site-1041857.mozfiles.com/files/1041857/99122660592.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f88e81e-10f5-40ab-988c-8aefae95252b/12359665059.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51c0095a-8335-46e6-8847-3ac87be1d14e/91101648391.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b870c729-5e41-4710-93d4-e399502cf26a/rozadakili.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4442fc2-cea2-4102-b37d-427f9f26891b/22406135645.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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