Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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://ggtraff.ru/strik?keyword=assassin%2527s+creed+pdf+free+download In PDF document text

  • https://s3.amazonaws.com/kitakilesa/annexure_h_for_passport.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/human_anatomy_and_physiology_10th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/42722630987.pdfIn PDF document text
  • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/dopug.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/tuluzeli.pdfIn PDF document text
  • https://nukevokisoget.weebly.com/uploads/1/3/2/7/132711970/zipijagaxegex-kasoxowexej.pdfIn PDF document text
  • https://zadujemerumid.weebly.com/uploads/1/3/2/6/132695269/2516985.pdfIn PDF document text
  • https://gukaguse.weebly.com/uploads/1/3/1/3/131398473/94b1659e0829.pdfIn PDF document text
  • https://vepaxanejabag.weebly.com/uploads/1/3/4/3/134317352/jejidewezovesi.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/bogez.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/72078609772.pdfIn PDF document text
  • https://s3.amazonaws.com/gowebabuxogiro/structure_of_higher_boranes.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006feb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006feb.bin)
  • https://cdn.shopify.com/s/files/1/0437/6068/1109/files/autocad_frame_printing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4066/7810/files/electric_pruning_shears_ryobi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0079/1715/files/nabaiji_mp3_acuatico_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/1748/6503/files/brabantia_wallfix_installation_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd750684-6742-44d2-ae6a-bda9dde57574/colon_and_semicolon_worksheet_tes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ce81afe-7b02-4a39-b15d-8b0e369f6983/example_of_business_plan_about_coffee_shop.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 extracted file (font_00_sfnt_off00006feb.bin)

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