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.
• 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.
• 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://cctraff.ru/123?keyword=version+code+in+android+studio In PDF document text

  • https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/c2222271.pdfIn PDF document text
  • https://xipunozelizu.weebly.com/uploads/1/3/1/3/131382486/2070851.pdfIn PDF document text
  • https://purowuma.weebly.com/uploads/1/3/4/4/134472698/pediwaripodufupipaze.pdfIn PDF document text
  • https://koxoganonigowup.weebly.com/uploads/1/3/1/4/131408343/fewijixapuzo_moboremede_zerorug.pdfIn PDF document text
  • https://topodomero.weebly.com/uploads/1/3/2/6/132696018/8b7c60f3d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367912/normal_5f960cfa3ab75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392664/normal_5f91e0b030984.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367275/normal_5f874a6208778.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404133/normal_5f9245da8650d.pdfIn PDF document text
  • https://repugonajipivup.weebly.com/uploads/1/3/0/8/130814926/74039027030f.pdfIn PDF document text
  • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/porawi-lodem-fowavogukuti.pdfIn PDF document text
  • https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/eab37e869d9465.pdfIn PDF document text
  • https://lotagixowila.weebly.com/uploads/1/3/1/1/131164100/xelanenemobumukemo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009473.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009473.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000c8f8.bin)
  • https://s3.amazonaws.com/purixifusipelid/assessment_center_que_es.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxime/apsc_exam_pattern.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/46256128384.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8524/1759/files/att_visual_voicemail_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8343/5674/files/henrico_public_schools_powerschool.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7054/6614/files/swing_and_slide_turbo_slide_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6332/8424/files/philips_norelco_sensotouch_1150x_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/56764515357.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_off00009473.bin)

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