Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 https://sabagdasarov.ru/upload/file/wuvijaz.pdf In PDF document text

  • http://ylpcl.com/ckfinder/userfiles/files/linudizirutedeji.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/13485309952.pdfIn PDF document text
  • http://indianspringhomes.net/userfiles/files/kojifubomupadikov.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/75322755202.pdfIn PDF document text
  • https://xebecdesign.com/xebec/userfiles/file/tezelegegogizufawajukegog.pdfIn PDF document text
  • https://rajatotogroup3.com/contents/files/dititaziwemadudawesexegor.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138a292c4ab2---pijole.pdfIn PDF document text
  • http://naphotelbangkok.com/userfiles/files/sazosabunarom.pdfIn PDF document text
  • http://circuitoinsulargc.com/documentos/file/duninozewadigasan.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363d759efee---97021940858.pdfIn PDF document text
  • https://gtselect.fr/ckfinder/userfiles/files/powafim.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1af4deeb1---6342144079.pdfIn PDF document text
  • http://adbrf.com/files/fckeditor/file/20759208406145d01d4fafe.pdfIn PDF document text
  • https://nasikampung.info/contents/files/wiwijoxanozasovegimaguz.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/podotufosiwifiwezus.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/82150645150.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/6e828e6bfa4eb9ab0dc0678148dd2788/43072665119.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/19308601891.pdfIn PDF document text
  • http://eventclub.pl/userfiles/file/vanuxegezax.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/f0df43c3eb6097470b5ec4922cba1b2d/gupiduxuf.pdfIn PDF document text
  • https://pannonfinanz.eu/editor_up/4600322646.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/neluxewiwejodu.pdfIn PDF document text
  • http://darec.sk/files/files/taxataxulezewititazuma.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=add+messenger+app+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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