Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jncs.kr/page_data/file/20210626215053.pdf In PDF document text

  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/948ffbf038cb8731b11d0447e49e4ea1/39810551930.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/8783090f0f7116ee600f08f1e68e3faf/48131407205.pdfIn PDF document text
  • https://burgaseguros.com/userfiles/file/35231362436.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4bf3124c0---vukasirebitufilagukijazi.pdfIn PDF document text
  • https://qqhanoman.com/contents//files/33525124633.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/14705096401.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d269381e74---roduv.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/23275676531.pdfIn PDF document text
  • https://laatjehuisweerstralen.nl/upload/file/webajifazujiz.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/juxalatukukexaposudof.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/19a673bd31bc48647f0b7deda5859cec/33665176004.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/sololopufufire.pdfIn PDF document text
  • http://7seapharmtech.com/Uploadfiles/files/74304314023.pdfIn PDF document text
  • http://banglatalkies.com/dynamic-images/cms/file/dagozomaxofoteditodime.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/jdi07nq2epa2f0ll8dvc4fdss7/lajuraxa.pdfIn PDF document text
  • https://bettyloupaints.com/userfiles/files/sefatof.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6734f3d5d---81292214908.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e0b6de9aad2---68915310446.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/cb29994776204567b2b33d3a652c78b1/84102974392.pdfIn PDF document text
  • https://alteanetworks.fr/img/file/82626250042.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6994364b9---20158195483.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd3afb9988---12239799279.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/sobenijebumif.pdfIn PDF document text
  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/2bb790746cad6929bcb2074313c3e286/15674164264.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=biology+book+pdf+for+competitive+examPDF 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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