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
• 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://huntic.ru/uplcv?utm_term=write+an+equation+for+the+parabola+in+standard+form+calculator PDF link annotation

  • https://echipamente-scule.ro/userfiles/file/wejod.pdfIn PDF document text
  • http://watch62.ru/files/files/5901449759.pdfIn PDF document text
  • http://mariopresto.pl/userfiles/file/4049308527.pdfIn PDF document text
  • http://primethailand.com/ckfinder/userfiles/files/80145566999.pdfIn PDF document text
  • http://jutaek.humenia.com/upload/userfiles/2021/09/files/210914092744.pdfIn PDF document text
  • http://landroverbh.com/ckfinder/userfiles/files/buguboge.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/b3a41263ac9fc7a30b5c643e77759fe3/konalivisudoz.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/3beadfab00c6088b14f026921d4b82f7/gateferosepet.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161487fbe148ed---julazilidapux.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/16337445115.pdfIn PDF document text
  • http://bptramptour.pl/files/file/deburesugimatemus.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/9c672c431418107640debbcac02aaab5/riliwalefazomemiwafugu.pdfIn PDF document text
  • http://coconut.hu/userfiles/file/5036786379.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/179ae7c4272f55ff6d9fd046ce5f9462/dasesu.pdfIn PDF document text
  • http://dominant.name/userfiles/file/22957850395.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/70376296534.pdfIn PDF document text
  • http://lobanowscy.pl/userfiles/file/mutefabuwoxinuzokereki.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/83294624032.pdfIn PDF document text
  • https://junona.manyel.website/images/uploads/medium/86358680310.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/kodewasozomuxabepo.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/d45ec84305e99cbf572abdff61a3b08b/muxerukedijuware.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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