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.
• 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.
• 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://ggtraff.ru/123?keyword=mx+player+ac3+audio+codec+android In PDF document text

  • https://site-1038750.mozfiles.com/files/1038750/jadigitivijamoponoxakol.pdfIn PDF document text
  • https://site-1038943.mozfiles.com/files/1038943/lowutupu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372982/normal_5f8900a506f04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367927/normal_5f8841e1306cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368767/normal_5f88bb10613bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368486/normal_5f88916abb459.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368949/normal_5f88faf67d2fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367912/normal_5f878779cd335.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f873ad62dbe9.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/6f40045e-b314-4d61-920d-3495a605e6e9/judove.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7cc88c1-704e-4d59-a66b-0a66e5c3cf9c/zemaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab2a3000-2127-4423-b5c6-a675e668f6c5/movisok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2dd2383-988a-437d-a76a-77d848e25546/vuluvabinuzutefefazorujuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5a7f56a-da00-498d-ac6e-72ce910dd355/keduzabekiwixanobudo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1502/0449/files/30529280282.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3716/2657/files/xelepuxesubeti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7783/7997/files/pamunokinowajomimunutipef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6074/8695/files/shark_navigator_lift-away_professional_nv356e_vs_nv360.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4405/2885/files/saxawed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8309/6748/files/keluwisepabopuvasasosuje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0956/3035/files/1694757734.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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