Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://chcial.ru/uplcv?utm_term=android+battery+history+details PDF link annotation

  • http://pjteam.hu/uploads/71023871459.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/15778111748.pdfIn PDF document text
  • http://daydeothe.vn/rich_editor/file/duxakokuvefaroxujik.pdfIn PDF document text
  • http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/11599863446.pdfIn PDF document text
  • https://dpengineers.info/admin/userfiles/file/91819053862.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/51526108982.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/33529224640.pdfIn PDF document text
  • https://ruh-center.ru/userfiles/file/kumuliwalilalixalovek.pdfIn PDF document text
  • http://em-mould.com/ckfinder/userfiles/files/21128798720.pdfIn PDF document text
  • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/bajukapedubene.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/videtisopek.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/de3bffb3ce80e252e91fc0f2fb39917a/rebenaj.pdfIn PDF document text
  • https://cyc-catering.pe/disac/userfiles/file/xalomoro.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/5841602925.pdfIn PDF document text
  • https://danfort.lv/userfiles/file/waloladujurelujuke.pdfIn PDF document text
  • http://sanalights.com/admin/admin/uploadfiles/file/fifipawewe.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210919_2AEC9250BBE04B55.pdfIn PDF document text
  • http://claudiamelchior.it/images/file/85561443939.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/57523224313.pdfIn PDF document text
  • http://haokunchem.cn/upload/files/94064894778.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/a4aqlfbleidgcol82p4pgteqq9/rotepi.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147fccb54ad7---togowetuxekufifirofepopis.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/0636957e7a808402a4d25fe412c0cdf0/momos.pdfIn PDF document text
  • https://nidi.mk/ckfinder/userfiles/files/75795469905.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/67992624672.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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