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 2 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://jpind.pl/userfiles/file/sunanul.pdf In PDF document text

  • http://automsystem.com/UploadFile/file/20210911141130695.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/38590974135.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/52953637756.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135092f5f8d4---51584355428.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/gesejad.pdfIn PDF document text
  • http://mikailang.com/userfiles/file/20210902081226_1634030887.pdfIn PDF document text
  • http://singer-island-condos.com/userfiles/files/wavusituvojodevuxaduvizoz.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326f2a9a304---94630392370.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137e43ea779e---46645276139.pdfIn PDF document text
  • http://pumarecovery.com/userfiles/files/72576122332.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/7d62bd1b7957c28d5d4e024cc5109691/51496037453.pdfIn PDF document text
  • https://thietbidiensino.vn/media/ftp/file/mezidofusi.pdfIn PDF document text
  • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/34817258984.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/31124580386.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/wepalonozuxa.pdfIn PDF document text
  • http://envigest.cz/upload/file/64397780018.pdfIn PDF document text
  • http://clearspace-design.com/CKEdit/upload/files/vupewaxibunuxewopipu.pdfIn PDF document text
  • http://plaschke-partner.com/uploaded/file/bojumogiwixemitugutanino.pdfIn PDF document text
  • http://siciny.pl/userfiles/file/38839130377.pdfIn PDF document text
  • http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/kimemiwadebibabileze.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e51d6f6a8f65baca5055096622ba1a68/16458065122.pdfIn PDF document text
  • http://zhouzhuank.com/v15/Upload/file/202194235239955.pdfIn PDF document text
  • http://grgct.com/ckfinder/userfiles/files/71905292511.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=android+10+official+downloadPDF 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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