Malicious PDF — malware analysis report

Heuristics 6

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://ttraff.me/123?keyword=soft+keys+home+back+button+mod+apk In PDF document text

  • https://vezorobabuwej.weebly.com/uploads/1/3/0/9/130969079/4d3c643536.pdfIn PDF document text
  • https://fewevivib.weebly.com/uploads/1/3/0/8/130813821/cb76b70c01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f89344982d29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376126/normal_5f8b49a6bb7a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f87636a73ffa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f872a09ea747.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8bd818c172a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375352/normal_5f8c8d44b21cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367648/normal_5f896ee5593b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381962/normal_5f8cb2581b2e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373997/normal_5f8bf138b3d42.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/niraso_fawativurobit.pdfIn PDF document text
  • https://folukufisika.weebly.com/uploads/1/3/1/3/131384255/xulipusosofeb.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/0c18874847f.pdfIn PDF document text
  • https://naroxelilokatud.weebly.com/uploads/1/3/1/3/131384214/191caa2f70.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/5f77fb1e-cbf9-4a6a-8456-171a3a9af952/nuximod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f8bb4a9-e1f1-4f05-a7f4-b97fa632529e/spell_focus_evocation.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7eed6882-4101-4db4-8eb5-227a12d13744/polaroid_iex29_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23bbc3b9-166b-47cc-a888-0095a52e470d/37498277047.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2f42c50-2370-4d23-93d3-80c2e2fbbc16/jofedokawutofezesoxigud.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa253b46-d0fa-4a5e-a794-50920c5dffcd/alphabet_symmetry_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67c41872-caa3-423d-834a-78e6df0644ad/5696321814.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1de2f904-0d85-4633-a085-770ca041b107/55303425385.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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