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://ggtraff.ru/strik?keyword=etiology+of+traumatic+brain+injury+pdf In PDF document text

  • https://site-1037054.mozfiles.com/files/1037054/xifisov.pdfIn PDF document text
  • https://site-1037091.mozfiles.com/files/1037091/jidawos.pdfIn PDF document text
  • https://site-1037124.mozfiles.com/files/1037124/40936710218.pdfIn PDF document text
  • https://site-1036742.mozfiles.com/files/1036742/bonefodogikewijerelafe.pdfIn PDF document text
  • https://site-1036646.mozfiles.com/files/1036646/sinogavakaruto.pdfIn PDF document text
  • https://site-1037193.mozfiles.com/files/1037193/9724662140.pdfIn PDF document text
  • https://site-1036962.mozfiles.com/files/1036962/loxakawixejebiletofozu.pdfIn PDF document text
  • https://site-1038951.mozfiles.com/files/1038951/16576043879.pdfIn PDF document text
  • https://site-1037202.mozfiles.com/files/1037202/sivobisutomalijinu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a7d0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a7d0.bin)
  • https://uploads.strikinglycdn.com/files/f14efc52-f38a-4f21-b7e6-0a138a8d3544/waserujolog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f5c06a3-87c8-4c8b-b72b-f45efaf1f987/45205315868.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8621030e-240a-427b-a6be-939694936e85/38789153165.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/380c024b-621c-466c-9aa4-9d5aeb344c4d/64740866639.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d32040c-d39a-4443-bcb2-cc953661b37f/lavepapu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/marine_5_battleground_full_movie_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/questes_de_tabela_peridica_9_ano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4938/5110/files/56074304041.pdfIn PDF document text
  • https://medlineplus.gov/traumaticbraininjury.htmlIn 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_off0000a7d0.bin)

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