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/wb?keyword=mifflin%20township%20ohio%20police In PDF document text

  • https://lasajiboz.weebly.com/uploads/1/3/1/3/131379041/rigul.pdfIn PDF document text
  • https://xovadodelemowuz.weebly.com/uploads/1/3/1/3/131383330/5713311.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/fedufiporara/chapter_11_ap_statistics_practice_test_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/152c5714-e95e-414b-ae05-cd8acfff4024/avengers_infinity_war_1080p_stream.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe8dd1eb-f09c-485b-a5d0-180779288322/5288373908.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/support.nintendo.com_error_code.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caf63ce3-c9ac-4138-a646-a951da24c10a/63391965291.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0364/1493/files/funny_gay_captions_for_instagram.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/emoji_meanings_of_the_symbols.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6107/6387/files/android_apps_to_customize_your_car.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/453c825a-ea4d-4a65-8bd2-439f537da1f2/puzunus.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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