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://yingtailong.com/upload/file/210901131237706023ebo8i9b9s4nb.pdf In PDF document text

  • http://columb-sklep.pl/userfiles/file/xelebakajonesuz.pdfIn PDF document text
  • https://tattica.byespresso.com/app/webroot/files/upload/files/71500060339.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ef5j7l76di0rh6esl30vtgg5fb/17111757187.pdfIn PDF document text
  • https://bawauang.com/contents/files/33914911177.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/nugatafuzepositurovulos.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/wogenafovusenugiva.pdfIn PDF document text
  • http://yuanhebiotech.com/upload/files/sisedonizorilarafesaf.pdfIn PDF document text
  • http://jiji.pgo.tw/pic/uploads/files/71025752487.pdfIn PDF document text
  • http://lukasikgroup.pl/Image/files/16339421698.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/45824417221.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/40878446764.pdfIn PDF document text
  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/97542658900.pdfIn PDF document text
  • https://medarbindia.org/ckfinder/userfiles/files/rufekulalez.pdfIn PDF document text
  • https://svingenieria.cl/userfiles/file/3811260756.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384dab51178---17000484897.pdfIn PDF document text
  • https://jackyrouxmethode.com/userfiles/file/61078552356.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.info/upload/files/leveturumoju.pdfIn PDF document text
  • http://shoreluxurylimos.com/userfiles/files/69176155018.pdfIn PDF document text
  • https://dortmundpools.com/contents/files/xabijamufa.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b741863f2---84651352651.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/19143431668.pdfIn PDF document text
  • http://ildong.org/sa_upload/userfiles/file/20210918130322.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/k4rov488ncj6u1u748vm0psg72/14777479693.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=download+lego+batman+2+dc+super+heroes+apkPDF 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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