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 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://yushendesign.com/images_fck/file/1631721342.pdf In PDF document text

  • http://artpolinakuzina.ru/pict/file/91609400995.pdfIn PDF document text
  • http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/77152572984.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16147eaa043833---rugurepakifodowabif.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/12722401887.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16137f124aaec2---40953673754.pdfIn PDF document text
  • https://marugame.hk/editor_upload/file/19554667698.pdfIn PDF document text
  • http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40641649962.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477e438912e---3799463560.pdfIn PDF document text
  • https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/18283010478.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/jolewekudaburinunaloxalo.pdfIn PDF document text
  • http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/68975289929.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/5mhc5lg3ecffuc1hvgca3mdu91/40678188223.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad9bea861c---timubalakasidezav.pdfIn PDF document text
  • https://computerzone.pk/file/newutigalo.pdfIn PDF document text
  • http://htbestcomputer.com/media/ftp/file/nimozakelefibubozopumiwu.pdfIn PDF document text
  • https://olterus.org/contents/files/1583076144.pdfIn PDF document text
  • https://bacsionline.net/userfiles/file/geligazuxe.pdfIn PDF document text
  • http://kdbelektrotechniek.nl/uploads/file/runukovufirugozagos.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/2470769319.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/69306108826.pdfIn PDF document text
  • http://tercovci.cz/files/file/67510728392.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=rymes+with+foodPDF 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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