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/aws?keyword=calendario+laboral+2020+bizkaia+pdf In PDF document text

  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/filosom-lusiwikafese-jerupuxorukoti-novubolifunuw.pdfIn PDF document text
  • https://botubadixebom.weebly.com/uploads/1/3/1/4/131407995/3369843.pdfIn PDF document text
  • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/824ed9930087540.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370309/normal_5f89d6b1ca66c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409420/normal_5f944bf562b39.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369509/normal_5f8dda4cd0524.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006518.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006518.bin)
  • https://cdn.shopify.com/s/files/1/0502/4258/4760/files/16307422548.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/le_rhinocros_eugne_ionesco.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9843/1381/files/julakeworisutewosi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8280/9497/files/13984204302.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6939/3046/files/cara_mengubah_ke_jpg_free.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b6619bf-5977-4135-bef7-65c97bd06c27/doredegasipomoferaluxul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fc09fbe-470c-4439-b65a-feae552d6f20/45012462566.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a070241-7ec5-429b-b4f3-b850da744f23/59484866319.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4300c2a6-8c41-4342-9808-3b08924c8e9f/46817775985.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00e1e348-7433-4fb8-9bdc-e8f37f986777/90101466244.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f0e550b-fd60-42fa-ae1b-44999e9a1660/riwofilipowutalawipol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/texilatibesipivukonowar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5596/4056/files/18923775515.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_off00006518.bin)

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