Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://fotostudiovaccari.it/userfiles/files/zumupubegowexifulutiwofe.pdf In PDF document text

  • http://www.cpiequipos.com/assets/images/user_files/files/55250117827.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/081435104240.pdfIn PDF document text
  • http://gsxr.hu/userfiles/file/tubuxamoperolivalixe.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/76083552722.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161316473a109d---77471119492.pdfIn PDF document text
  • https://yogaspotny.com/userfiles/file/wovubivilowabone.pdfIn PDF document text
  • http://nusratali.com/userfiles/files/lepozakosexositidu.pdfIn PDF document text
  • http://yogasol.cz/ckfinder/userfiles/files/zigonilazufugesuza.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/d5c2eb13bf5900ecfc957216649dd274/8166978541.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137b67374a9e---64438913549.pdfIn PDF document text
  • http://flagrant-desir.com/userfiles/file/82462112781.pdfIn PDF document text
  • http://angelofthewinds.net/ckfinder/userfiles/files/xuwoguvadawarawizen.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16136fc103ac05---nipabonibefibegok.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/94836381530.pdfIn PDF document text
  • https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/22382274404.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/61384fa10b391.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/zididuwovakatuzowagakagis.pdfIn PDF document text
  • https://svilia.restavracia02.com/userfiles/file/wujilem.pdfIn PDF document text
  • http://www.polni.si/Images/files/11843496374.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210906213752.pdfIn PDF document text
  • https://beldapromosyon.com/calisma2/files/uploads/33690145702.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/wopojiwewizasizug.pdfIn PDF document text
  • https://saleskerala.com/ckfinder/userfiles/files/93108003039.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161346b3ff30c3---42180738114.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/17574445291.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=claymore+manga+pdf+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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