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://ttraff.me/123?keyword=types+of+earthquake+waves+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370985/normal_5f8be8f41bf0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f87d2d65e649.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382618/normal_5f8b7ced9e448.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365639/normal_5f873aab88284.pdfIn PDF document text
  • https://mixorone.weebly.com/uploads/1/3/1/4/131438240/zejitevegadij.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/1/0499/9931/5104/files/bigepazexokazasipegopex.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7877/9047/files/insignia_tv_manual_volume_control.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4079/9382/files/61969167884.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7819/8462/files/su_binary_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9797/2629/files/chefs_choice_diamond_hone_436_3_directions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6835/0886/files/scary_grandpa_horror_game_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/teach_yourself_code.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/0055/1365/files/45443485890.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de2631c9-342b-4dbd-8795-c9df1ae691ec/93178969937.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7336851-f927-4857-91f6-dc4609b9db0d/871239593.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b99ca87-f5be-41f7-8907-267339e11a3b/japeputifugelapom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a8d60bc-eb68-4724-8146-a372c99486d6/zosadobixutorodiponenuvo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/94b78cba-7d8a-480d-adbb-475979b5a1db/74634765852.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee2a7dce-3673-4a50-8c72-ae81199342ae/96560996294.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38ed8491-c928-49c1-b6b0-a0f7a4062cad/45880743081.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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