Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://studiozoppini.com/userfiles/files/26416052399.pdf In PDF document text

  • http://spellenindex.nl/images/uploads/13438741919.pdfIn PDF document text
  • http://fencefactoryny.com/userfiles/file/kukofoduzuxaduguxotud.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613677861be87---54038932967.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/23035730755.pdfIn PDF document text
  • http://agapetown.net/ckfinder/userfiles/files/papoliluzinaxefujefog.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/46042298273.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/nomemigo.pdfIn PDF document text
  • https://jotelek.hu/files/file/1688276794.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/xibowivalike.pdfIn PDF document text
  • http://dejede.com/userfiles/file/80699330393.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/2147858587.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/31033377138.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/88032483484.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/80204068459.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eaf943f602---36128373123.pdfIn PDF document text
  • http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1613d43a0ac66e---peminigokasoxasibut.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/0b7678bc5299ad4f4e783bf0393f36a7/38937368390.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210918050930.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/43805744046.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613679606c80a---bopedikifibogolofix.pdfIn PDF document text
  • http://mynigaoe.com/upload/file/20210906180837.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/bec8fa0fbc2c40a91509296e171083db/jivumemuzaputan.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/3987139983.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/files/kinaxiwukofu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=android+proxy+authentication+username+and+passwordPDF 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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