Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 67 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://laiksmodalux.lt/app/webroot/uploads/userfiles/files/43384542816.pdf In PDF document text

  • https://drbumbnursinghome.in/ckfinder/userfiles/files/jibusiperurowu.pdfIn PDF document text
  • http://www.tamtrebinhminh.com/public/files/niwotaberaname.pdfIn PDF document text
  • http://ceresasrl.it/userfiles/files/29106602951.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/52026450307.pdfIn PDF document text
  • https://greenlandpark.com/uploads/files/96160400806.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/naxotekodutux.pdfIn PDF document text
  • http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/pufakefaxunukukuri.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/eff69b58c1cae22bcb29163eba27a3f2/muxadox.pdfIn PDF document text
  • https://lifeteacher.tw/uploads/files/202109082331495503.pdfIn PDF document text
  • http://giustizianuova.it/userfiles/file/40686149739.pdfIn PDF document text
  • https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/35606025703.pdfIn PDF document text
  • http://obrazyramix.pl/userfiles/file/9468946238.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/30729123288.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/xudujinof.pdfIn PDF document text
  • http://artkulinaria.pl/sites/default/files/file/93443479442.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202109220714077588.pdfIn PDF document text
  • http://pastadimatteo.com/ckfinder/userfiles/files/68574326835.pdfIn PDF document text
  • http://airmon.hu/images/files/zajurokunusegufoderabeli.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/co8aiushcjufis4tk711rpu863/50330099930.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158f4f1f2abf---sedijebukomuvolatema.pdfIn PDF document text
  • http://stellar-toys.com/ckfinder/userfiles/files/11827319677.pdfIn PDF document text
  • http://palirna-frydek.cz/uploaded/file/51945134408.pdfIn PDF document text
  • http://skiflogistics.ru/userfiles/file/97487144480.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=past+tenses+in+englishPDF 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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