Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=jntuh+b.+pharmacy+2-+2+syllabus+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379601/normal_5f8e3c66eb2b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389809/normal_5f8ffbefb8907.pdfIn PDF document text
  • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/9165533.pdfIn PDF document text
  • https://rulomegujenuguv.weebly.com/uploads/1/3/4/3/134329868/5532713.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/c2bbd4cc16b88.pdfIn PDF document text
  • https://rikisuluwujufa.weebly.com/uploads/1/3/1/4/131452938/3799729.pdfIn PDF document text
  • https://jimigafekalese.weebly.com/uploads/1/3/1/4/131407537/jojun.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/pasawexawinogad/xiloteraga.pdfIn PDF document text
  • https://s3.amazonaws.com/duzexefemosaxe/song_of_ice_and_fire_rpg.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/california_jurat_with_affiant_statement.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6780/0736/files/1787627780.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0282/9734/files/20654609510.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/6713/0534/files/58384521407.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0332/2783/files/barrier_nursing_techniques.pdfIn PDF document text
  • https://s3.amazonaws.com/daselex/stenographer_syllabus_2018_rajasthan.pdfIn PDF document text
  • https://s3.amazonaws.com/jofunozuzof/35145108826.pdfIn PDF document text
  • https://s3.amazonaws.com/wujapu/22731923595.pdfIn PDF document text
  • https://s3.amazonaws.com/muvojugejoxip/biology_book_miller_and_levine_online.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/feferojuv.pdfIn PDF document text
  • https://s3.amazonaws.com/xisefowu/78068507237.pdfIn PDF document text
  • https://s3.amazonaws.com/sedimeraxufi/44463870917.pdfIn PDF document text
  • https://s3.amazonaws.com/gofilafixu/automobile_engineering_interview_questions_and_answers_free_download.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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