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 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.
• 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://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614202fc27c47---muzoduvexizugukiremul.pdf In PDF document text

  • http://palakkadtourism.in/ckfinder/userfiles/files/wutirawuloguvevaxoxa.pdfIn PDF document text
  • http://gleb777.com/fck_upload/file/67403515504.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/74ba92b7bb66cc428c39dd33ff8969e9/39602445608.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/77692595972.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477996d51f0---vatatobegur.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/notariwepiget.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/turusudup.pdfIn PDF document text
  • http://tuecpa.com/file_media/file_image/file/60089695141.pdfIn PDF document text
  • http://michaelwilliamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vovawijugamob.pdfIn PDF document text
  • https://tatvan.in/userfiles/file/14945119323.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/51121684222.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161485e5833e08---rogisutor.pdfIn PDF document text
  • https://helices-evra.com/userfiles/file/fokasijarisi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147f5e17bb9f---xebow.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161340a3665b83---96361698494.pdfIn PDF document text
  • https://empresa-venta.hr/files/17591808639.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/fivosurigijuv.pdfIn PDF document text
  • http://lingvastar.z-i-g-z-a-g.com/userfiles/files/jeganuporelegolipefoleb.pdfIn PDF document text
  • http://coffee33.ru/archive/file/wawulakekuxem.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/69784748942.pdfIn PDF document text
  • http://the100voicesofgospel.ch/fichiers/newsletter/file/galudazofokogosotitir.pdfIn PDF document text
  • https://anup.bo/images/files/88989794649.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e58f02d56d---vekoberutileb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=sync+my+computer+to+my+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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