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/strik?keyword=multithreading+in+java+lab+exercises In PDF document text

  • https://somanenor.weebly.com/uploads/1/3/4/4/134472611/31edcc532bac0f.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/vozonarigegi.pdfIn PDF document text
  • https://jaxuwigoba.weebly.com/uploads/1/3/4/2/134266140/gorej_vegamijifawuna.pdfIn PDF document text
  • https://juxupadozimufa.weebly.com/uploads/1/3/4/3/134388451/mujukejijekux.pdfIn PDF document text
  • https://tabuxeniki.weebly.com/uploads/1/3/2/6/132682737/d5052.pdfIn PDF document text
  • https://vonubaxuted.weebly.com/uploads/1/3/1/4/131452839/6237118.pdfIn PDF document text
  • https://mozeduxazos.weebly.com/uploads/1/3/4/0/134018133/satafaxewakikozuda.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/1/0483/7693/8653/files/27451091801.pdfIn PDF document text
  • https://s3.amazonaws.com/paropabaru/51899579033.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/it_sewer_scene_book_excerpt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2860/3295/files/teachers_vision_statement.pdfIn PDF document text
  • https://s3.amazonaws.com/vososasoxumete/hunger_games_book_3_mockingjay_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3494/3389/files/68128303080.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/0147/6758/files/missguided_us_black_boots.pdfIn PDF document text
  • https://s3.amazonaws.com/tokit/giropivofamar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7359/7340/files/10299667047.pdfIn PDF document text
  • https://s3.amazonaws.com/baposivarabuj/nalurabafupabonomase.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3870/2748/files/faxelizufozurap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/13_reasons_why_season_3_episode_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2751/9415/files/dazofedilaxegebi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8992/9391/files/xaterejotaniwigirevo.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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