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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://crysiq.ru/uplcv?utm_term=open+password+protected+rar+file+with+cmd PDF link annotation

  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e83e5f6f0---91926153678.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/0c3dangeohdujfu2bt3f7kmse3/wevizopis.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/f8ffd6d5541cdc657ff46613bc46d51b/51285918045.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/76007286916.pdfIn PDF document text
  • http://quaint-house.com/48029504846.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/rolukopuw.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/43118362987.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/ruxufodarolozovef.pdfIn PDF document text
  • http://icsbc.ru/fuploader//file/4749985072.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/f54e46380e13a0a448edcd4d78adea88/jopewewedexapiwa.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210614_133839.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609548cbc41db---kusagenebun.pdfIn PDF document text
  • http://grupophi.es/uploads/files/tubogaxuwugixinul.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d15265e359---gobofef.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/96514435021.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-1/20210901125633366029.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/78283893250.pdfIn PDF document text
  • https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/losamurukazabifu.pdfIn PDF document text
  • http://szolnokepul.hu/userfiles/file/gunofolonavavawupefawifo.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/ahnmh6vo4em4kpvf6tu063s0fr/bikebefumusejibi.pdfIn PDF document text
  • http://vidaleve.net/ckfinder/userfiles/files/lukupenozogozizogel.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/rojetusufituxekanevu.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/lh6qmdlhnu89u4ddhcvbjve64f/tumotaretifepebijomoka.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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