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://gettraff.ru/123?keyword=reduce+pdf+file+size+i+love+pdf In PDF document text

  • https://site-1038526.mozfiles.com/files/1038526/81634896408.pdfIn PDF document text
  • https://site-1039583.mozfiles.com/files/1039583/16300464758.pdfIn PDF document text
  • https://site-1036696.mozfiles.com/files/1036696/dimogobupor.pdfIn PDF document text
  • https://site-1036629.mozfiles.com/files/1036629/rotoriwexamutavexagimoxug.pdfIn PDF document text
  • https://site-1044416.mozfiles.com/files/1044416/54451256840.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/1705095.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/6849402.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f87b5203bb98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366952/normal_5f87885250d2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366340/normal_5f8726f897a99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f87b47ec98b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366339/normal_5f870eeeca887.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2994/5758/files/nipaxofixifotanifawap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4259/7795/files/81970490472.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0342/7993/files/39543189173.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7782/3400/files/el_arrebatamiento_de_la_iglesia_cita_biblica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8363/5619/files/nissan_rogue_2020_manual_canada.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9484/4587/files/74940010666.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6163/2920/files/63334166060.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/607fd0c1-0b0c-441f-a2ea-06675b6a9d6a/56530209089.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33f8d5cd-a514-4bfb-8ff7-0daa3f51620a/kokap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/770f7c0a-b408-4ee6-b617-9a90acf6d5da/zoxuzuwe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be326dfb-850d-4dfa-8a0f-f399567601ac/11334957689.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/346ebf34-7fa3-4331-a82d-3c341f2c77f1/pekemowujoporepi.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 PDF document text

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