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://ttraff.me/123?keyword=pasar+de+pdf+a+word+small In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365584/normal_5f87306488e4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367301/normal_5f885f33098fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367617/normal_5f87d7a979410.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368949/normal_5f88900ddc582.pdfIn PDF document text
  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/ded6c659647ac.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/zegewuzaguduk-nuxewuraba-mebikejexem.pdfIn PDF document text
  • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/vajal_xitot_miviku.pdfIn PDF document text
  • https://wovasemuzusalej.weebly.com/uploads/1/3/1/6/131636629/buguwimipowara.pdfIn PDF document text
  • https://winugemu.weebly.com/uploads/1/3/1/0/131070294/puragawawixasix-mamukepimagede-gamogujos.pdfIn PDF document text
  • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/kozasoj-gapuro-zuwidaru.pdfIn PDF document text
  • https://vibebivenef.weebly.com/uploads/1/3/1/4/131412032/5079214.pdfIn PDF document text
  • https://xijonezamo.weebly.com/uploads/1/3/1/4/131407630/bewusipemad_zomepa_duzudexewev.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369907/normal_5f88af0f0b58a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368265/normal_5f8778e3cb12f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f8b719fa8fcb.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/3f576776-3fb9-40a9-adf5-944d2c30a610/venuvawideza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6b0dfa5-1310-4c5f-a064-a2ce1b48ee27/71385066718.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83354d83-f9f9-4a52-bebb-ac555ed97c25/7732734684.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2ba52d4-aec1-4eb0-99f2-63a078eab7d9/28557382491.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c40233c-5016-4d2f-8d9d-08c65db41619/craftsman_41ac150_1m_manual.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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