Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://wupupuredizuso.weebly.com/uploads/1/3/4/8/134894828/xoxemade_pukaxulafuro_zozotirewaze_nogufirares.pdf.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://jottigo.ru/wix?keyword=yahoo+mail+issues+on+chrome PDF link annotation

  • http://xsafak.com/school_uniforms_should_not_be_mandatory_essay4cyya.pdfIn PDF document text
  • https://wupupuredizuso.weebly.com/uploads/1/3/4/8/134894828/xoxemade_pukaxulafuro_zozotirewaze_nogufirares.pdfIn PDF document text
  • https://dosevabif.weebly.com/uploads/1/3/1/6/131637409/ea13004a66f3c2.pdfIn PDF document text
  • https://kawifapexevudo.weebly.com/uploads/1/3/4/7/134711131/pugon.pdfIn PDF document text
  • https://gakokoxexoboj.weebly.com/uploads/1/3/0/7/130776672/majiligenedojanasi.pdfIn PDF document text
  • http://handler-autoscout24.com/moisten_crossword_puzzle_answerp2jxi.pdfIn PDF document text
  • https://cdn.sqhk.co/saguregifu/igibhhh/37712112016.pdfIn PDF document text
  • https://dujolisinapujis.weebly.com/uploads/1/3/4/3/134328324/7c9412e9ecd445.pdfIn PDF document text
  • http://oneplusonemain.xyz/174992020844w39j.pdfIn PDF document text
  • https://sowematawenuw.weebly.com/uploads/1/3/1/1/131164153/ruzumefutolodomaxij.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://gekomulo.rf.gd/adolf_galland_book.pdfIn PDF document text
  • http://tabolamekosedu.epizy.com/arunima_sinha_in_marathi_information.pdfIn PDF document text
  • https://s3.amazonaws.com/tugumeb/toler.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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