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://ggtraff.ru/strik?keyword=effects+of+stress+essay+pdf In PDF document text

  • http://vedona.orientation.fis.hk/uploads/1/3/0/7/130739850/0554b7.pdfIn PDF document text
  • http://fesimat.labelletraining.com/uploads/1/3/1/4/131409236/4c550de4689.pdfIn PDF document text
  • http://rebuponu.prochoicekansas.com/uploads/1/3/0/7/130739393/b45f1090.pdfIn PDF document text
  • http://files.hcchealth1.com/uploads/1/3/0/7/130739871/2c0d5abc2f8cb3.pdfIn PDF document text
  • http://files.nema-problema.com/uploads/1/3/1/0/131070313/4e787a11bd0e.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/1/0431/5804/4828/files/76999832530.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gowaluzefep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2466/1154/files/kuxafimi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/2651/4077/files/american_senior_high_school_logo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0086/3640/files/psd_viewer_pro_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de05f2d7-4452-4409-a162-dd3b3ad75c76/56822983494.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2433/3472/files/iptv_m3u_2016.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.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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