Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://nomylo.ru/uplcv?utm_term=lock+screen+fingerprint+lock+real+apk PDF link annotation

  • http://gibisch.biz/files/files/93609661453.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/misekeselonozix.pdfIn PDF document text
  • https://pankajplast.com/ckfinder/userfiles/files/65030889078.pdfIn PDF document text
  • https://chief-moving.com/editor_upload/file/fumefupure.pdfIn PDF document text
  • http://worldcar.jp/userfiles/files/kufosutak.pdfIn PDF document text
  • http://hangtatmj.com/userfiles/20830367433.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/7626274867.pdfIn PDF document text
  • http://healhumanity.foundation/userfiles/file/47140930426.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/137h5b8l8umhvgnco6elk4ta5l/32336747048.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/43696002617.pdfIn PDF document text
  • http://educaholistica.com/resources/img/imagesck/files/manedejupizobenigu.pdfIn PDF document text
  • https://darkoyunpin.com/calisma2/files/uploads/8507828378.pdfIn PDF document text
  • http://edeins.com/userfiles/file/sulamobiwalamepa.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/89986081643.pdfIn PDF document text
  • http://dongzzang.com/userfiles/file///wupuge.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/pokakiseduto.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/9468850084.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/bafelimugozomas.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/snfu9ip4it8ub2vcnji5lk2mc9/fogoxulolujedexe.pdfIn PDF document text
  • http://goforthegreengolfpools.com/userfiles/file/64647788475.pdfIn PDF document text
  • http://bojovesporty.cz/userfiles/file/70672523834.pdfIn PDF document text
  • http://klusjesindex.nl/images/uploads/kojevazoxikamojagukigumam.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613524204c537---bepijetexisepunanidijozo.pdfIn PDF document text
  • http://islandpointfl.com/userimages/gobepawatubazulixavopi.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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