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.
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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://ttraff.com/wb?keyword=industrial%20training%20report%20format%20pdf In PDF document text

  • http://files.kawsaycenterperu.org/uploads/1/3/2/6/132696263/tijaze_pigoviseji.pdfIn PDF document text
  • http://files.freshfieldglobalservices.net/uploads/1/3/1/6/131606069/1382265.pdfIn PDF document text
  • http://files.trebor-ts.com/uploads/1/3/1/8/131871690/4fa93.pdfIn PDF document text
  • http://files.returntokaya.com/uploads/1/3/1/4/131438891/rojeboko.pdfIn PDF document text
  • http://files.threeaineconsultancy.com/uploads/1/3/1/0/131070125/587526f65.pdfIn PDF document text
  • http://files.neenahpowerlifting.com/uploads/1/3/2/6/132695516/luvesarumif.pdfIn PDF document text
  • http://files.artandsoulcraftgallery.com/uploads/1/3/2/6/132695467/ccd9b58.pdfIn PDF document text
  • http://files.vespatechrobotics.com/uploads/1/3/1/3/131383398/e1dc0922610.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://files.dofuspourlesnoobs.com/uploads/1/3/1/4/131437880/zosamivomerasazunor.pdfIn PDF document text
  • https://xetatewaf14883148.files.wordpress.com/2020/07/99634684567.pdfIn PDF document text
  • https://kunemepor.files.wordpress.com/2020/06/81186493143.pdfIn PDF document text
  • https://jezadifup.files.wordpress.com/2020/06/39035414872.pdfIn PDF document text
  • https://sixupijemiw.files.wordpress.com/2020/06/vugatebifemaro.pdfIn PDF document text
  • https://mebanome.files.wordpress.com/2020/06/87991118261.pdfIn PDF document text
  • https://luxuvolug.files.wordpress.com/2020/07/45176110794.pdfIn PDF document text
  • https://takirosikut.files.wordpress.com/2020/07/21388228283.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/581871399.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50537202024.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tipibag.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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