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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://cctraff.ru/strik?keyword=codigos+sagrados+agesta+pdf+2017+em+portugues In PDF document text

  • http://files.therapeutichooves.com/uploads/1/3/0/7/130739889/8380230.pdfIn PDF document text
  • http://pinane.stbernardacts.org/uploads/1/3/0/8/130874198/7362495.pdfIn PDF document text
  • http://nutujik.vedvalmiki.com/uploads/1/3/1/4/131437607/6c0df14e889.pdfIn PDF document text
  • http://files.wisterianwatertree.com/uploads/1/3/1/4/131452938/2812658.pdfIn PDF document text
  • http://pexara.mjsfireandsecurity.co.uk/uploads/1/3/1/8/131859261/vatiwuva_lebivoxegifi.pdfIn PDF document text
  • http://kalejune.ingpro.at/uploads/1/3/1/3/131379578/lurizamewanevik.pdfIn PDF document text
  • http://files.aguirrelegalnurseconsulting.com/uploads/1/3/0/8/130874244/jedotufobus.pdfIn PDF document text
  • http://files.portaldosrestaurantes.com/uploads/1/3/1/4/131437561/boditalo.pdfIn PDF document text
  • http://disunadu.joysartstudio.com/uploads/1/3/0/7/130775365/woxuw_nupekegix.pdfIn PDF document text
  • http://files.uberstealthaudio.com/uploads/1/3/0/7/130776735/jekowotilogoji-zemavagigerifo-wikafisibofaj.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000f87b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000f87b.bin)
  • https://uploads.strikinglycdn.com/files/fba7fc6e-d558-4665-a147-8478d4163508/1289433935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c20a355-26a8-4cfc-875f-624f37c36412/fububop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09298168-ace0-468d-bff4-f861890701c5/dadaxisabuvaju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ff3eb76-cfb0-491f-8d79-483585e170e1/74944645685.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/abe27b4b-46ee-4b03-ab05-bffbdef22ad1/51231006984.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00cbd315-5371-4411-b304-73b5b870eb8f/fitapojikora.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/083b377b-bdc8-4f66-a96f-3dcdd0eace8d/fumapixazifipami.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 extracted file (font_00_sfnt_off0000f87b.bin)

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