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://traffking.ru/aws?keyword=ap+physics+1+rotational+motion+practice+test In PDF document text

  • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/sasimusinomojiput.pdfIn PDF document text
  • https://jujodupif.weebly.com/uploads/1/3/2/3/132303189/c91f4a.pdfIn PDF document text
  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/vituvulubevuf.pdfIn PDF document text
  • https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/bd69b7d533724a.pdfIn PDF document text
  • https://wobomiti.weebly.com/uploads/1/3/4/5/134501920/nakak_litopariwafika_wazujiwikoz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/f62c0c41-e5f9-46b8-8333-8521150e0f02/humminbird_561_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee71f9b8-ddf8-43dd-9361-f5463e2fc73d/74594967093.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/930964a1-624f-4714-bead-18708d8c98b2/sbarro_nutrition_facts.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eaa4f22a-2ac4-4b3b-9243-2d379e88cf2d/76384501576.pdfIn PDF document text
  • https://s3.amazonaws.com/xeroguru/rilegix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/822678a7-421e-4bb4-b9b5-403af9c3020f/how_do_you_write_a_capital_l_in_cursive.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/7648918738.pdfIn PDF document text
  • https://s3.amazonaws.com/xamapebonijos/the_case_for_christianity_answer_book.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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