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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/wb?keyword=wicked%20ridge%20warrior%20hl In PDF document text

  • https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/pimavo_nebixatipebad.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/luroniwabukegu.pdfIn PDF document text
  • https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/fc60b04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f875e6627e0d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375194/normal_5f8a2227de643.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368742/normal_5f8a94aed6057.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392857/normal_5f8e36e3261eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379048/normal_5f8d7ba87db98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367944/normal_5f8839ad26bc2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368982/normal_5f89ba836d5d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371003/normal_5f887fb222e15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375355/normal_5f8f56d865428.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373987/normal_5f8e87e1c2c98.pdfIn PDF document text
  • https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/fodepix.pdfIn PDF document text
  • https://daletutanedura.weebly.com/uploads/1/3/1/6/131636587/6089240.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/2632610.pdfIn PDF document text
  • https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/8225448.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/nifaboteropekixepi.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/nigakabozudo.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/65407637777.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/zewuvimimef.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000076a2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000076a2.bin)
  • http://www.opentle.orgIn extracted file (font_01_sfnt_off0000884a.bin)
  • https://uploads.strikinglycdn.com/files/758d13b5-df44-4d82-96f2-0e38add459e1/14455556777.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/852dd10d-e756-4b69-b0fb-da7bf3b17e9f/sugazefeju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8570b7d1-1725-4b63-8c57-302fea38cd02/nubapulejomijivited.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_off000076a2.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_01_sfnt_off0000884a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000c459.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000c459.bin)

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