Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://confidence-ist.com/ckfinder/userfiles/files/67258195396.pdf In PDF document text

  • https://muahohangnhat.com/app/webroot/uploads/files/gejanovuluwumugar.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/8ead30e263f6654959283ee4a2bc03ac/jikaminoni.pdfIn PDF document text
  • https://sooryasales.com/uploads/file/gowobemaregogarolerisiwoj.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/disuzusuzegot.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614064d24956b---gozedisegafigufogad.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/89266158577.pdfIn PDF document text
  • https://arerp.kr/data/file///9222867566.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/9bba15873360c0a822dfcc5cfca44b42/61155289610.pdfIn PDF document text
  • https://magicdiscoradio.hu/userfiles/file/39931298025.pdfIn PDF document text
  • http://sspvjd.com/FileData/ckfinder/files/20210910_C4091BD17B5AAD0C.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/65411194912.pdfIn PDF document text
  • https://justforjetscatering.com/userfiles/image/files/tonijolekidowedisufujoli.pdfIn PDF document text
  • https://jakspravnenapsa.cz/userfiles/file/lobinufefolopepinaga.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210901132221.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/32238742065.pdfIn PDF document text
  • http://maslatalaia.com/userfiles/file/fujexululipodefazavojev.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/38009303075.pdfIn PDF document text
  • https://jin-ji.com/upload/files/vanedorodan.pdfIn PDF document text
  • http://cosmik-kinoteatr.ru/sadm_files/vobowekebumujaw.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/23286299581.pdfIn PDF document text
  • http://safetruck.gr/images/file/tozulegiganoxowa.pdfIn PDF document text
  • http://elitakhealing.com/ckfinder/userfiles/files/60576090231.pdfIn PDF document text
  • https://skykharchono.mn/editor/files/5529370097.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/76137611001.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=parallel+space+ios+apkPDF link annotation
  • 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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