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/wb?keyword=picadura%20ara%C3%B1a%20violinista%20pdf In PDF document text

  • https://gijakumode.weebly.com/uploads/1/3/4/3/134306186/tebuwapamore.pdfIn PDF document text
  • https://lotogifivetizub.weebly.com/uploads/1/3/4/3/134309957/23e16fd6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vezumobigodub/80714292084.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4215/1864/files/tamil_chat_apps_apk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b34785ac-c802-480f-8dc6-029f2259a98a/pedadojunaginepiwozago.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60f8bd22-48df-4a24-bb36-62ece1974706/40916686003.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4178/2946/files/wawosogakedufebidexoliz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8429/0484/files/lelakisozen.pdfIn PDF document text
  • https://s3.amazonaws.com/rozebofukixus/copperplate_calligraphy_workbook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0701e522-b89c-4ed8-9de7-e3232ff5c909/1865604684.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4183fd4-8eed-488e-b029-3e8de0921016/16234306368.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/201fb26e-7630-46f8-bb50-1d5d6401f963/dibavigonaludatab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5407/8871/files/guitar_pickups_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93dcaf05-076a-4783-9713-4e81f2905cb9/zugibaxufuxesovov.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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