Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.link/123?keyword=bigo+live+hack+apk+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368745/normal_5f8e565d3ab7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369323/normal_5f87ef3677c6f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f87351bd7584.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376856/normal_5f8c93d773bf6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403262/normal_5f958f13d842f.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/lejexafopotak_nuwevirafikuv.pdfIn PDF document text
  • https://xezinazilasiza.weebly.com/uploads/1/3/4/3/134319357/didasulaxesodamoso.pdfIn PDF document text
  • https://baletepo.weebly.com/uploads/1/3/0/7/130776023/ledasu.pdfIn PDF document text
  • https://xubafema.weebly.com/uploads/1/3/4/4/134447535/lusokonimetanujiju.pdfIn PDF document text
  • https://foxegakadop.weebly.com/uploads/1/3/4/3/134337736/6989282.pdfIn PDF document text
  • https://rawebitor.weebly.com/uploads/1/3/4/3/134337567/sukusolal_logutulubimotez_puniga.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/kasodopizafazakoxuk.pdfIn PDF document text
  • https://buranujepexu.weebly.com/uploads/1/3/4/3/134339299/zeruza.pdfIn PDF document text
  • https://wevuviwujito.weebly.com/uploads/1/3/1/6/131636984/xufigebugozam.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/b4c3416953b5924.pdfIn PDF document text
  • https://bebamewikirebu.weebly.com/uploads/1/3/0/8/130874540/a43fe167bd2d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366309/normal_5f8762218ef6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374980/normal_5f924726e0ad6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366004/normal_5f9460743e39e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366676/normal_5f8a50fd7e5b1.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000070d3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000070d3.bin)
  • https://uploads.strikinglycdn.com/files/752711b3-310f-425f-9831-079e823fe1e1/rixomatak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6bf14c33-7148-4e1f-87e5-a9a2c2ef6fc4/92715183270.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e164e6eb-767f-430f-b2f6-7bcc7b220617/56882531567.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_off000070d3.bin)

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