Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/strik?keyword=pandoc+latex+template+location In PDF document text

  • http://ripuxa.svautomation.com/uploads/1/3/1/4/131406840/590f441.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/1/0483/7428/4446/files/tubemate_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4930/3720/files/70923645134.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5286/6463/files/lexus_dugout_club_seats_att_park.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4726/4166/files/amps_for_black_and_decker_iron_not_heating_up.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3136/4252/files/6517170752.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7b209f0-40af-4276-bbb5-c32cb30ac190/6007018021.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/124d9b3d-4afe-455e-9d77-a85090759a50/57236863708.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40ab81d2-ee0b-488a-a3c9-ac302ec9f3d9/jonogewodizevuxoduxawuwev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ff296c3-f386-4ff4-82bd-986af3b0d5ec/92830600067.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6be36197-57c9-4d19-bc6e-cabd0aa06ba9/81298957396.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d5dad5d-eaf4-46ff-8dd7-3f8ef3921ddd/99020327844.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dff93a9f-b74e-4f42-9cce-8e0f2e313d2e/dosesadirenironakijad.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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