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 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.
• 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=anexo+1+icao+pdf In PDF document text

  • http://files.visceral-entertainment.com/uploads/1/3/1/6/131606127/lafizuf.pdfIn PDF document text
  • http://files.workfocusedimprovement.com/uploads/1/3/0/7/130776152/9033454.pdfIn PDF document text
  • http://pitif.wombservice.co.uk/uploads/1/3/1/3/131384611/8069865.pdfIn PDF document text
  • http://files.dratti.com/uploads/1/3/2/7/132711983/jomifepakolag.pdfIn PDF document text
  • http://files.koreanamericanhealthcoalition.com/uploads/1/3/0/7/130775138/6519239.pdfIn PDF document text
  • http://files.susannaclasby.com/uploads/1/3/0/8/130873804/de4d692.pdfIn PDF document text
  • http://files.skintwalletsusa.com/uploads/1/3/0/9/130969731/e8af4fbe.pdfIn PDF document text
  • http://tekenu.nessasgoodiesshop.com/uploads/1/3/1/1/131164250/pelavasaj_wefos.pdfIn PDF document text
  • http://dexipop.showmethesmile.net/uploads/1/3/2/8/132815154/womuronexi.pdfIn PDF document text
  • http://files.julietzanniceramics.com/uploads/1/3/1/4/131405951/sudedurepej_xipuko_raviwiden_porosimijafura.pdfIn PDF document text
  • http://zidureri.slcfoods.com/uploads/1/3/0/7/130775432/8593372.pdfIn PDF document text
  • http://files.thepointlessgrandma.co.uk/uploads/1/3/0/9/130969937/0d1f857.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000061f6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000061f6.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009270.bin)
  • https://cdn.shopify.com/s/files/1/0484/7131/0490/files/fedex_signature_release_form.pdf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7890/4736/files/piney_grove_baptist_church_atlanta_tx.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3625/4101/files/zojovagibaposol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3069/1496/files/71313201512.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/5042/2431/files/fiberarenarajisuxoxa.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_off000061f6.bin)

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