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.
• 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://archism.ru/uplcv?utm_term=forgot+my+voicemail+passcode PDF link annotation

  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16159b623a886a---tagis.pdfIn PDF document text
  • https://sarna-zapiekanki.pl/ckfinder/userfiles/files/43880404497.pdfIn PDF document text
  • http://kruengrangthai.com/files/files/gozupivabuvezasajebife.pdfIn PDF document text
  • http://aaz.sk/editor_uploads/files/32040329783.pdfIn PDF document text
  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/23707615860.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/76628411319.pdfIn PDF document text
  • http://022-web.cn/uploadfile/file/20211004220525718.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/d65727f619cfa38d26a7b2a3e2c5f6ce/17515839431.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/96776636831.pdfIn PDF document text
  • http://abwninemile.com/uploads/files/86019889809.pdfIn PDF document text
  • https://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/38729705106.pdfIn PDF document text
  • https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/28403331737.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/vunajekefexigazawo.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/82971860423.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/sevesipuxotifafezap.pdfIn PDF document text
  • https://0922.sproname.com/files/userfiles/files/kafajo.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/2109131407593194078kvtez.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/weramubepotuwujonesepo.pdfIn PDF document text
  • http://toyotaprius-custom.com/js/upload/files/43850523929.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161401b197b691---fesuvawadubipet.pdfIn PDF document text
  • https://dzido.pl/userfiles/file/fopovulowapimiku.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615435b4ec3c4---6469442098.pdfIn PDF document text
  • http://hypotekaprezamestnancov.sk/res/file/58984990716.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/59796063533.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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