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=table+manners+quiz+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f95d6e3ebe07.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374362/normal_5f8b37fa08e8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370087/normal_5f99f43a75966.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383170/normal_5f8fffcba0052.pdfIn PDF document text
  • https://kazofinuso.weebly.com/uploads/1/3/4/3/134369681/2df3f5d3310.pdfIn PDF document text
  • https://zalopajozi.weebly.com/uploads/1/3/1/4/131453352/6927457.pdfIn PDF document text
  • https://jidukuroji.weebly.com/uploads/1/3/4/0/134013204/dupev.pdfIn PDF document text
  • https://purusoze.weebly.com/uploads/1/3/4/4/134495244/lopoduzekuvu_nakizilak_gijufunonuz_wazobob.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/gupuso/best_emotional_intelligence_test.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/assembly_point_logo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4791/9007/files/jadiki.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/dulce_et_decorum_est_analysis_essay.pdfIn PDF document text
  • https://s3.amazonaws.com/pewibim/fantasmas_en_el_cerebro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfdd28f7-6148-4793-9f5d-27fb2825151c/15579911051.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ec7da4e-3712-44bc-92ae-1c8dbb4827ec/46072553255.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/lei_da_administrao_pblica_angolana.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bcf2262-fb51-4c1a-88df-a9da53a20e83/fotaxemafokixunabuduru.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/stay_hungry_stay_foolish_steve_jobs_book.pdfIn PDF document text
  • https://s3.amazonaws.com/nuxulikiwab/primary_amyloidosis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d82d387-c190-4315-807d-9f9516c00816/69230663611.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/2045/7412/files/android_studio_dialogfragment_show.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2663/4664/files/teardrop_afghan_crochet_pattern.pdfIn PDF document text
  • https://s3.amazonaws.com/limewub/45253550820.pdfIn PDF document text
  • https://s3.amazonaws.com/wopari/94406322733.pdfIn PDF document text
  • https://s3.amazonaws.com/gosete/human_molecular_genetics_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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