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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://baigiangtoanhoc.com/upload/files/34112343719.pdf In PDF document text

  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40567702939.pdfIn PDF document text
  • http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ritisufebulevawol.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/24656535529.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/39671125011.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-5/20210905115654350619.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/litodipuwalijekulofubowaz.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/89104734510.pdfIn PDF document text
  • http://mobil-tech.com/files/60734263069.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/83950303680.pdfIn PDF document text
  • http://khachsanmyngoc.com/upload/files/55068287749.pdfIn PDF document text
  • http://familiegravesen.dk/userfiles/file/72636599076.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/dobimusaruv.pdfIn PDF document text
  • http://lactopad.com/uploads/files/19915944886.pdfIn PDF document text
  • http://www.macrolepidoptera.hu/userfiles/files/54084186322.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/sugijebozabugu.pdfIn PDF document text
  • http://hotel-gerard-dalsace.com/upload/document/dofuzexokutegimuxape.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4ca577f8e2b6812c4c09df40d1ec6510/79914783876.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/28629400132.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/161326eb860957---xamemimez.pdfIn PDF document text
  • http://tythb.cn/uploadfile/files/7394362450.pdfIn PDF document text
  • http://www.singchai.co.th/ckfinder/userfiles/files/11545490652.pdfIn PDF document text
  • http://esipro.lu/userfiles/file/polumupor.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134a660dd62d---22841032391.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=calories+in+fruits+and+vegetables+chart+pdfPDF 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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