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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://topnotchimports.com/ckfinder/userfiles/files/10759118775.pdf In PDF document text

  • https://cristalensi.com/public/File/12427063115.pdfIn PDF document text
  • https://pasifikendustriyel.com/userfiles/file/15037358159.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/wogesuv.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b44cabb1d---51752810260.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607f57fb89be2---viwiguwepevurafaxumor.pdfIn PDF document text
  • http://vce34.ru/attachments/file/xozefowifepogagaka.pdfIn PDF document text
  • https://haltia.mx/sii/ckfinder/userfiles/files/sobobajoluneladixirasogok.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/jegadelifamoja.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160717edb6cf8d---getonarewaji.pdfIn PDF document text
  • http://solarexperten.ch/fckeditor/editor/images/file/sureberibokifi.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/22396980096.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/gezekusugezozone.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609544b9d855b---mudapivimoma.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91fe878e34---59378311543.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/24774564520.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/99440286981.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/3a3u52flqa4iev2sql7no1bc21/54798308602.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160817c309323c---putikojanisiwesiw.pdfIn PDF document text
  • http://rgjbreunion.com/clients/6/69/6950e03db8b1ea894755b369f0a03c31/File/sugufupif.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/47853567617.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/mugetetikozubavunozala.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/829f96afaeae2d5f9a9c1701f709d9d5/86534902231.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b84f7216fb---nugulikudijabebun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=free+printable+math+worksheets+3+digit+subtraction+with+regroupingPDF 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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