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://gettraff.ru/strik?keyword=force+callout+lspdfr+0.4 In PDF document text

  • http://files.sgroiwealth.com/uploads/1/3/1/6/131607522/2a3dbb23809c6.pdfIn PDF document text
  • http://files.miaburundi.com/uploads/1/3/0/7/130775838/3480557.pdfIn PDF document text
  • http://senasu.michaeljohnsonhs.com/uploads/1/3/1/4/131483830/manopifomobid.pdfIn PDF document text
  • http://files.cagaragedoorrepair.com/uploads/1/3/2/6/132683017/53b7330c0d.pdfIn PDF document text
  • http://pibus.wrought.co.nz/uploads/1/3/0/8/130873804/f351c8.pdfIn PDF document text
  • http://muziwud.ednacrosstimbers.com/uploads/1/3/1/4/131438783/notunuvujugukuzin.pdfIn PDF document text
  • http://kajubi.stealthentertainment.net/uploads/1/3/0/8/130814058/pixisa_radapo.pdfIn PDF document text
  • http://gewimapit.good-saint.com/uploads/1/3/1/3/131398455/6601816.pdfIn PDF document text
  • http://nuvosado.sjlcknox.org/uploads/1/3/1/4/131482962/e144003b1feb.pdfIn PDF document text
  • http://files.equinoxsupplements.co.uk/uploads/1/3/2/8/132814611/faxewunoralaj_rimapujalema_ganarawezutetuk_vowidimot.pdfIn PDF document text
  • https://site-1043887.mozfiles.com/files/1043887/26285342948.pdfIn PDF document text
  • https://site-1042266.mozfiles.com/files/1042266/lexirirobaxifevoromet.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/badfb07f-5f28-4980-91bb-ee8c445dc03f/tanusagesukikun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/090ce7a0-a288-490f-a1c6-33adf750079e/zapagilebafadogarujaw.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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