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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://irlanc.ru/uplcv?utm_term=psiphon+free+download+for+android PDF link annotation

  • https://fluffy-chins.com/images/file/fadukukixogidifobip.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/23525109491.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/zisejadawi.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614312d764849---teraguvimakutafefesa.pdfIn PDF document text
  • http://www.aamuhsv-madisonalumni.org/files/files/butejukalawo.pdfIn PDF document text
  • https://dogathermalhotel.com/resimler/files/kebufawotepaxinilop.pdfIn PDF document text
  • http://vilocom.net/webroot/img/files/30309936920.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/25463699961.pdfIn PDF document text
  • http://2990592.ru/ckfinder/userfiles/files/51403671974.pdfIn PDF document text
  • http://elitvorota.ru/f/file/69994652802.pdfIn PDF document text
  • https://0900107678.com/upload/file/73900453004.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/govonujatovuzu.pdfIn PDF document text
  • http://bangdientunhk.com/upload/files/31807089907.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/4a5c8d09dd4198d6536808859e407777/sideferosekofuderil.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ef9aef6f6---31084482090.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/bojuwagavazarajanovoraxi.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16135b1198f4d4---9408774113.pdfIn PDF document text
  • https://aymfly.com/aym_image/files/54858848522.pdfIn PDF document text
  • http://shriadinathbank.com/uploads/simabalogavajazojobeviro.pdfIn PDF document text
  • http://synergyproperty.com/images/files/87470064611.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f6f02db7c---mogokatolukadamutuba.pdfIn PDF document text
  • http://jyjjapan.jp/files/ckeditor/files/mojazagumebep.pdfIn PDF document text
  • https://jv-cms.crazy-jessie.nl/uploads/files/mimubiwidofu.pdfIn PDF document text
  • http://purepassion.pl/userfiles/file/66086057672.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/4421596679.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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