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=definition+of+economics+by+different+scholars+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367304/normal_5f95fedc2e55b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370744/normal_5f8cb30a29182.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f877f3318fd3.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/9895647.pdfIn PDF document text
  • https://rusokupos.weebly.com/uploads/1/3/4/4/134468665/1032980.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409840/normal_5f95a56acbb5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f8aeeed0efc0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366627/normal_5f875fe043166.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371788/normal_5f8a705d3ae50.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/6770444c-6b99-43c5-89ab-2cef7e94e5ab/69140550392.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/feb903db-18bc-4833-a3bd-0300a614d556/photoshop_tutorials_skin_retouching.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/bejelibike.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/access_point_configuration.pdfIn PDF document text
  • https://s3.amazonaws.com/neviwove/81043020559.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/43537041216.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7903/5808/files/69695043004.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4246/2618/files/91986319572.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/kalender_2020_mit_ferien_bayern.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/scaling_up_book_summary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9689/5391/files/vuzepimeremataso.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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