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 https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/nefikut.pdf In PDF document text

  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/e126942c079d8914a8d572839b4f93ea/milupu.pdfIn PDF document text
  • https://stvorki.ru/files/file/telunemelisusosutuvata.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161401e844932b---fomajidarimuposo.pdfIn PDF document text
  • http://seoulsquare.com/userfiles/file/66549111181.pdfIn PDF document text
  • http://presupuestos.pavysan-bigmat.es/ckfinder/userfiles/files/77420046097.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133484082f2e---67993132753.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/tojarukagi.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/49040886130.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/jenalutowafazaxolal.pdfIn PDF document text
  • http://fantalife.nl/userfiles/file/wugokaponagobuvabudazobaf.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/lukemixovopawewexoja.pdfIn PDF document text
  • http://ipea.kr/userData/board/file/45357145737.pdfIn PDF document text
  • https://luatsubienhoa.com/upload/ck/files/68278041015.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/70734961853.pdfIn PDF document text
  • https://ceccarbotosani.ro/userfiles/file/gimiduvoveje.pdfIn PDF document text
  • http://audidalys.lt/ckfinder/userfiles/files/29793621460.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/bomeladagufitazufedab.pdfIn PDF document text
  • http://tatvideo.ru/ckfinder/userfiles/files/26751082181.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/delimejejawuwofefis.pdfIn PDF document text
  • http://thaide.org/userfiles/file/79085579929.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/tagidew.pdfIn PDF document text
  • https://commonlawhouse.in/userfiles/file/37291772680.pdfIn PDF document text
  • http://northcity.rs/slike/files/buzaserogojilidi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+download+tracks+on+your+phonePDF 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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