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://gettraff.ru/wb?keyword=contaminacion%20ambiental%20semarnat%20pdf In 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/1/0428/9737/5388/files/lamimejej.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4721/5000/files/kasud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5417/7185/files/scratch_pad_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6342/7751/files/snaptube_apk_for_ios_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0152/0023/files/stone_cold_lyrics_karaoke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b08557c-e4b7-4ce9-843d-68b3839f4f04/25325813845.pdfIn PDF document text
  • https://s3.amazonaws.com/ladojenefe/corazon_diario_de_un_nio.pdfIn PDF document text
  • https://s3.amazonaws.com/mibiwivanetuj/bakamelu.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/69076581275.pdfIn PDF document text
  • https://s3.amazonaws.com/gedimuta/monitoring_and_evaluation_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3374/1480/files/eso_essence_of_ravage_health_invisible_defile.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5025/3984/files/hettich_hinges_catalog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2f3e38e-bdf5-47d4-b7d9-9a358824d2ba/48849337969.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2865b2d8-5a58-47e8-b535-594aa1abccd7/zuzavojarojenijegosifoti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b3b1bfb-3e3e-4ed4-a46b-3168a380702f/10368048019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ce7cf14-c021-4f47-be09-2eb01feb12aa/82879134140.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1260/6120/files/binitapoxefuwimowe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/1411/7293/files/coffee_grinder_manual_uk.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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