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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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
• 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://happy-playground.gr/uploads/_uploads/files/jurerit.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138df378c493---narijufomemixuxu.pdfIn PDF document text
  • http://211.129.1.225/system/ckfinder/userfiles/files/86499454525.pdfPDF link annotation
  • http://kidneytracker.com/ckfinder/userfiles/files/84501881549.pdfIn PDF document text
  • https://whatproperty.ng/ckfinder/userfiles/files/guwodeguv.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/nuniralulatuxamofaxidi.pdfIn PDF document text
  • https://pernambucoimortal.com/imagens/files/3556436080.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/nomumuvozalefozupux.pdfIn PDF document text
  • https://fuoriscena.eu/file/18728993821.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613052ea249e7---24713072343.pdfIn PDF document text
  • https://hotelexpert.ro/uploads/files/joziviwufez.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/63764690475.pdfIn PDF document text
  • http://spakimthi.com/upload/files/wusenodopivupasogo.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/05a8f6cfd52608a8a1976913776d6906/zariluxona.pdfIn PDF document text
  • http://royalgroup.at/tmp/kuxiwew.pdfIn PDF document text
  • http://xfswchem.com/upload/files/70445148746.pdfIn PDF document text
  • http://tensoinox.com/userfiles/files/vibotig.pdfIn PDF document text
  • http://belovosushi.ru/files/68441549731.pdfIn PDF document text
  • http://halanmilk.com/upload/files/88392930592.pdfIn PDF document text
  • http://upnbkk.com/file_media/file_image/file/20695088539.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139f735295db---67685028068.pdfIn PDF document text
  • https://erdenet.mn/userfiles/file/11821313057.pdfIn PDF document text
  • http://liavanhaeringen.nl/userfiles/files/69002025135.pdfIn PDF document text
  • https://hagabb.ro/ckfinder/userfiles/files/53770058167.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=scan+qr+code+on+screen+onlinePDF 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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