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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://ttraff.link/pify?keyword=zelda+breath+of+the+wild+manual+pdf In PDF document text

  • http://files.prattindustriesboxesericstorm.com/uploads/1/3/1/8/131871530/4948368.pdfIn PDF document text
  • http://rufovuv.cornerstonekilmartin.com/uploads/1/3/1/4/131409090/kabefobiri-wejezexogikujid.pdfIn PDF document text
  • http://sisepuwi.craftwinner.com/uploads/1/3/2/6/132682646/f82412833012d3.pdfIn PDF document text
  • http://files.drkarla-nd.com/uploads/1/3/1/1/131164132/4597016.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/1/0480/5302/6975/files/area_of_irregular_polygons_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7242/5636/files/dont_speak_ukulele_tabs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1669/9553/files/48268125812.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9061/2902/files/nj_transit_bus_fare.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/4950/9015/files/half_up_half_down_curly_hair_weave.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3522/6023/files/senior_resource_group.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3626/9470/files/soweguxokulidero.pdfIn macro / runtime command snippet
  • https://cdn.shopify.com/s/files/1/0496/2825/0276/files/79008774593.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2218/3332/files/vupexuraduduf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7924/7036/files/71035267761.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
  • https://cdn.shopify.com/s/files/1/0479/In macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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