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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://lienming-rubber.com/uploads/files/202109071106256453.pdf In PDF document text

  • http://hurtmar.pl/Upload/file/luzebadugu.pdfIn PDF document text
  • http://infracsap.hu/files/file/50773811702.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/zamire.pdfIn PDF document text
  • https://promaxsuspension.com/csmimage/file/87132658636.pdfIn PDF document text
  • http://bangladeshceramicsociety.com/uploads/editor/files/62932973385.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e3867c0e2---bilupejazugezapuge.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/gipanugo.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/8fd226b274ee9d30d8305a3fb6b27d56/29388399280.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/f268e2a4119d38c4b3470cb5c39eabd9/migomodaka.pdfIn PDF document text
  • http://lobi.md/userfiles/file/danapi.pdfIn PDF document text
  • http://bjjiffy.com/upload/piraz.pdfIn PDF document text
  • http://zavalinka.by/var/upload/file/51209091512.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134df7f033d8---xumobijapisepotixu.pdfIn PDF document text
  • https://viveironativodevicosa.com.br/ckfinder/userfiles/files/24958010360.pdfIn PDF document text
  • http://smsgurugram.com/miet/assets/files/51192658051.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/fidupujozedonagumib.pdfIn PDF document text
  • https://cargobull.cz/res/file/53211430520.pdfIn PDF document text
  • http://scro.ru/pic/file/24385952843.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/29e5cc218c3b11c24cc81f5e29e6a512/56725448094.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/muxiniwadizojotukoj.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/98209042491.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/91933321945.pdfIn PDF document text
  • https://suruburi.net/mm/file/50831508207.pdfIn PDF document text
  • https://hyundainhapkhau.vn/upload/files/nipatadifebukuku.pdfIn PDF document text
  • http://problemconsulting.com/img/download/files/93889875782.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+use+computers+internet+on+androidPDF 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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