Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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
• External URI info PDF_URI
  PDF contains an external URL action
• 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://nomylo.ru/pbw?utm_term=document+merge+online PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4421970/normal_6050efa65d988.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449996/normal_60223ebb9ad4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4484097/normal_60c677c709cfe.pdfIn PDF document text
  • https://zazanopub.weebly.com/uploads/1/3/2/7/132712119/bc929a5ad22947b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408704/normal_603c430013d74.pdfIn PDF document text
  • https://xovelojedawoka.weebly.com/uploads/1/3/4/6/134662979/e6152a06518.pdfIn PDF document text
  • https://rikovikoxeko.weebly.com/uploads/1/3/2/7/132740842/4255833.pdfIn PDF document text
  • https://waridiregap.weebly.com/uploads/1/3/4/0/134095836/wuporekewoxujum.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4376611/normal_5ff909401cb88.pdfIn PDF document text
  • https://derebadinexito.weebly.com/uploads/1/3/4/0/134012579/moxetupefa.pdfIn PDF document text
  • https://pafufido.weebly.com/uploads/1/3/1/4/131407890/1272856.pdfIn PDF document text
  • https://momekefu.weebly.com/uploads/1/3/4/8/134850451/fenesilixima.pdfIn PDF document text
  • https://vaferomesab.weebly.com/uploads/1/3/4/3/134351928/3954588.pdfIn PDF document text
  • https://notojusuwetu.weebly.com/uploads/1/3/1/8/131871856/legajato.pdfIn PDF document text
  • https://namovanuzo.weebly.com/uploads/1/3/1/6/131606642/4fb495b7816b48.pdfIn PDF document text
  • https://jamekefexufi.weebly.com/uploads/1/3/4/8/134866820/5ef48.pdfIn PDF document text
  • https://tixosame.weebly.com/uploads/1/3/4/5/134523113/nidagobulemut.pdfIn PDF document text
  • https://fanaraligo.weebly.com/uploads/1/3/4/6/134620410/zaroj.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374185/normal_5fcf9952299c2.pdfIn PDF document text
  • https://xijutenidipes.weebly.com/uploads/1/3/0/7/130775364/lidutajujonadamuta.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/3aa2ea0a-15ff-41ae-a38b-22bf0f177f41/rogexuwavodasil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad703577-17b1-4519-bfbb-ff5ac4d73a45/what_is_the_meaning_of_availeth.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb21f9d7-b6ce-43b1-bcd0-4cf13e5fac49/56460364676.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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