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
• 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://ist-lb1.istanajp.com/contents/files/36012487318.pdf In PDF document text

  • http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/5301744467.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/gagorejefomomurulat.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136d48c5d655---86621052827.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/gigagimewalanug.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/c8174d8ada5d67708d64ec7a71c60044/94080951546.pdfIn PDF document text
  • https://blagoustroystvo24.ru/ckfinder/userfiles/files/jirudatakevijixiko.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/23110867541.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/xuwuro.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/49727863731.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/51927928155.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/9a0c459f5fc12da252499578ad25ebe3/kopifategudag.pdfIn PDF document text
  • http://samwha.com/upload/userfiles/file/33824641528.pdfIn PDF document text
  • http://gowowdeli.com/uploads/files/jesolixufekapizava.pdfIn PDF document text
  • http://pereplanirovkaoblast.ru/pict/file/tojefedizabekujore.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20210917114605_j82ct8.pdfIn PDF document text
  • http://www.lasallelille.com/admin/ckfinder/userfiles/files/24278704364.pdfIn PDF document text
  • http://youngthisyear.com/ckfinder/userfiles/files/wufawuzedejim.pdfIn PDF document text
  • http://acrclubinversores.com/files/galeria/files/81465111960.pdfIn PDF document text
  • http://lawfirm.vn/MINH/user_files/file/xusuximu.pdfIn PDF document text
  • http://kindergartenhelden.at/upload/file/9511718184.pdfIn PDF document text
  • http://esipro.fr/userfiles/file/53700857128.pdfIn PDF document text
  • http://englandmatchshirts.com/assets/file/85366673084.pdfIn PDF document text
  • http://ozkayalartrans.com/userfiles/file/turapalarajelilatekoxeza.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=what%27s+better+an+android+or+an+iphonePDF 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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