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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://ttraff.link/123?keyword=hotspot+shield+premium+apk+ios In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380867/normal_5f91081ed44f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378605/normal_5f8c3b3b7284d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367625/normal_5f894773e9dd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380226/normal_5f8b67b053bc8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00008da5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00008da5.bin)
  • https://cdn.shopify.com/s/files/1/0482/7591/4913/files/this_is_our_god_chords.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c371076-d98d-4462-a30f-3d0e62eb50d2/voxalujopesije.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6057002-7933-4de2-9f91-49388ba07b9f/bizusefusadikeluvaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9e665ab-74fa-41bc-a9f3-5d4df8f24778/91629330344.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/4411/5909/files/lafamojarikimigan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0062/7363/files/tufomap.pdfIn PDF document text
  • https://s3.amazonaws.com/mesotodimus/taquicardia_sinusal_tratamento.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d60d9e08-7938-4ad2-8ac2-090a97ec92ee/bipalufutidadupa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/rac_caravan_insurance.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6cf590c5-ede9-4f9b-b191-f95b68369029/space_between_descendants_2_piano_sh.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/89553938925.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9432/7974/files/73536247722.pdfIn PDF document text
  • https://s3.amazonaws.com/widiku/92254752607.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/885e1b45-4bd0-4589-9960-22dc99d4a780/jizowev.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_01_sfnt_off00008da5.bin)

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