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.
• 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
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://archism.ru/uplcv?utm_term=secure+vpn+apk+ios PDF link annotation

  • https://mgrenginiai.lt/ckfinder/userfiles/files/28400676831.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/89668632437.pdfIn PDF document text
  • https://daulte.ch/ckfinder/userfiles/files/27111773053.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132d4985d7eb---76800657552.pdfIn PDF document text
  • http://yey.uw52.com/upload/files/85317971849.pdfIn PDF document text
  • http://flashdisplay.net/UploadFiles/FCKeditor/20210913140153.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/sudatab.pdfIn PDF document text
  • http://taiwangallant.com/uploads/files/202109091249288544.pdfIn PDF document text
  • http://unityproductions.com/upload/files/94210848145.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/35673518112.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/moralifajukupewulu.pdfIn PDF document text
  • https://nieruchomosciprzetargi.pl/files/file/24107876170.pdfIn PDF document text
  • https://alansglobalservices.com/ckfinder/userfiles/files/xedipan.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/zewux.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134684f3bd6a---wasimifup.pdfIn PDF document text
  • http://35ju.21tg.cn/uploadfile/ckeditor/files/13082249365.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131dc284610f---38441670227.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/28765205033.pdfIn PDF document text
  • http://shriramashramps.org/userfiles/file/zoxameroxupefara.pdfIn PDF document text
  • https://eko-briketes.lv/userfiles/files/68652481093.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/7caa8ac41de2aabac42c9261c000cda9/bisatirarijegupuvutuz.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16133d2fe1032d---84771523963.pdfIn PDF document text
  • http://mawaevents.com/uploads/file/kezomixa.pdfIn PDF document text
  • 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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