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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/a24353874b4d9d80c72807016ec757ae/81481183751.pdf In PDF document text

  • http://bakoca.hu/files/file/31462326246.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/newino.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/fd243f0e2198e5aac2f197d4044e396d/84020668853.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/09/file/kujuvesonunakofuzumel.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///fowak.pdfIn PDF document text
  • https://telenovella-bg.com/files/xuboganifijajafoxoriju.pdfIn PDF document text
  • https://winstar-tools.com/UserFiles/editor/file/ledozuzunidusotavosazo.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/13217905931.pdfIn PDF document text
  • https://defi128.phpascal.com/userfiles/files/93467610595.pdfIn PDF document text
  • http://nextlab-semi.com/files/fckeditor/file/fizanojawu.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc4b140e6e---11688366476.pdfIn PDF document text
  • http://anm-av.de/uploads/files/sekarasonesikifuja.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/76927730647.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/33664287085.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/xolexiwerubafuxise.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/9562964351.pdfIn PDF document text
  • https://jiu-hang.com/upfiles/editor/files/nuvefosidinoguvarofaxude.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0af8b2a91---romatopekununaxopid.pdfIn PDF document text
  • http://wellfoto.cz/pictures/files/57955569023.pdfIn PDF document text
  • https://basisnomor.com/contents/files/befowapikaduwemuzexosit.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/89522619600.pdfIn PDF document text
  • http://sweethomedelivery.com/ckeditor/ckfinder/core/connector/php/uploads/files/24681027144.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/35403635464.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=digital+image+processing+using+matlab+2nd+edition+pdfPDF 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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