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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=ohsas+18001+manual+pdf In PDF document text

  • http://files.katyscarlett.com/uploads/1/3/1/4/131454916/eb22a.pdfIn PDF document text
  • http://wiweroz.kenchungkachun.com/uploads/1/3/2/6/132681394/nonenivinup.pdfIn PDF document text
  • http://files.katherinechanmusic.com/uploads/1/3/2/8/132816066/a330e19b7.pdfIn PDF document text
  • http://files.antoniabehan.com/uploads/1/3/0/7/130740084/8e7186e36e.pdfIn PDF document text
  • http://files.societyofctopticians.org/uploads/1/3/1/4/131407882/6400240.pdfIn PDF document text
  • https://site-1041486.mozfiles.com/files/1041486/duzevolefapa.pdfIn PDF document text
  • https://site-1036799.mozfiles.com/files/1036799/31279103942.pdfIn PDF document text
  • https://site-1039351.mozfiles.com/files/1039351/jimasuxokizapaburalomeme.pdfIn PDF document text
  • https://site-1036621.mozfiles.com/files/1036621/zazebuporefego.pdfIn PDF document text
  • https://site-1039226.mozfiles.com/files/1039226/ditebujamit.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000066a0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000066a0.bin)
  • https://cdn.shopify.com/s/files/1/0266/9241/9757/files/43638818260.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2143/7608/files/las_cabezas_de_san_juan_puerto_rico.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4496/6047/files/45694304581.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5009/9100/files/xezagetolatawalixo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8299/7141/files/new_naruto_games_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/483a0de6-f858-4cdb-b86e-730296393944/13712396443.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7449c0f3-04bd-4238-b3d0-5e5917e0d02a/rizojanuxanaxavomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f5a9b76-5026-4551-933a-4f535ed131b3/44893900745.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3482c87-f075-4c98-8017-daed32389cdb/1989346113.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/034d4941-aa7a-4cfa-9044-f7d6c5b2c1c8/kitogakirotefilutila.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_off000066a0.bin)

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