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://cctraff.ru/aws?keyword=download+trials+of+apollo+book+4+pdf+free In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zuxadol/java_spring_annotations.pdfIn PDF document text
  • https://s3.amazonaws.com/viromibukoleliw/learn_to_fly_2_where_is_the_brick.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7787/0792/files/52232770550.pdfIn PDF document text
  • https://s3.amazonaws.com/damevusom/meeting_the_universe_halfway_quantum_physics_and_the_entanglement_of_matter.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7090/5750/files/the_sims_mobile_mod_apk_ios.pdfIn PDF document text
  • https://s3.amazonaws.com/jefazaxal/newport_news_catalog_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/8802352624.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0506/6502/9819/files/1.3.7_computer_science_pltw_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad19d293-b724-42cf-9f9f-2d05bc451c43/part_5_common_core_practice_lesson_1.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/32472874458.pdfIn PDF document text
  • https://s3.amazonaws.com/ronenitevodo/general_aptitude_test_questions_and_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c04d14d4-98c7-4c19-8902-8e9b53109ed9/81999942122.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/regik.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/manual_de_auditoria_de_sistemas_informaticos.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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