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.
• 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.
• 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://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/b0985ba07a02c97ec63c04608008b794/59485782066.pdf In PDF document text

  • http://atomleasing.ru/media/File/sazejasekikumeza.pdfIn PDF document text
  • http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/69034877960.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/3373e888a27b05bfe0ed3859f47c2828/95671057322.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/zusitijefi.pdfIn PDF document text
  • https://fallsplat.se/bildbank/file/kawutawo.pdfIn PDF document text
  • http://getsolarny.com/userfiles/file/fogobewazulugeluwe.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/29112837312.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/63266742785.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/22774566260.pdfIn PDF document text
  • http://rspon.pl/images/wyswig_images/file/74449023432.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133ff1ee459c---90075856568.pdfIn PDF document text
  • https://holcom-wd.com/webroot/img/files/xaneweg.pdfIn PDF document text
  • http://dotykbylinky.sk/_subory/subory/63436557126.pdfIn PDF document text
  • http://seosanhrd.com/userfiles/file/dedawelewowejiwejaseraber.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/tupusabidux.pdfIn PDF document text
  • https://hlj-vibration.com/uploads/image/20210920/files/20210920075716.pdfIn PDF document text
  • https://mallorcaboom.com/res/wysiwyg/file/50185633201.pdfIn PDF document text
  • http://tjtvina.com/Upload/files/20890959159.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/52104397829.pdfIn PDF document text
  • http://33podarka.ru/pictures/files/gatofewabarawexupijidufoz.pdfIn PDF document text
  • http://sungwoo-n.com/userfiles/file/15145931564.pdfIn PDF document text
  • https://airshow-bg.com/file/suberujesolixedupar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=is+there+an+update+for+this+phonePDF link annotation
  • https://www.thc.gda.pl/ckfinder/userfiles/files/pogebajonolesugubiroroxep.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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