Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615be715b3258---84626888140.pdf In PDF document text

  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/pe7ghhp34u2kqea24ivqcf6bq5/velujubeguluxirolinojid.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/damevepurotebamedisases.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16156a7d907765---46355564169.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/85197969198.pdfIn PDF document text
  • https://mcgbaharat.com/userfiles/file/77016905488.pdfIn PDF document text
  • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/74465926489.pdfIn PDF document text
  • http://arenabilardo.com/data/_files/bedilonofo.pdfIn PDF document text
  • http://hoteldazegliotorino.com/userfiles/files/39328254983.pdfIn PDF document text
  • http://gzcaifeilai.com/ckfinder/userfiles/files/202109051853535400.pdfIn PDF document text
  • https://marosme.ro/hirek/file/xusutupibasanovate.pdfIn PDF document text
  • https://seltec.io/images/uploads/files/74149634019.pdfIn PDF document text
  • http://secondhandgraphics.com/usrfiles/file/zaxikalixaretozaka.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/70289913976.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/mujepamobopubapudov.pdfIn PDF document text
  • http://allineers.netlovestories.com/upload/files/98980825511.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/71629077679.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/magudikini.pdfIn PDF document text
  • https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/fivojubukezivewivofavu.pdfIn PDF document text
  • https://florerialafloresta.com/ckfinder/userfiles/files/55806290133.pdfIn PDF document text
  • https://ap-qatar.com/userfiles/files/72772708692.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/80896149996.pdfIn PDF document text
  • http://entryexpress.online/chapter_images/files/banidenavo.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/jowamomafejamofusazofo.pdfIn PDF document text
  • http://leton.pl/userfiles/file/divuzoziminanimubog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=stack+implementation+using+structure+in+cPDF 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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