Malicious PDF — malware analysis report

Static analysis result for SHA-256 75b6e262effa32a0…

MALICIOUS

PDF

64.3 KB Created: 2021-07-27 15:02:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: 24f3828b6f652cf04c615d771aca4605 SHA-1: 2277bb7dc97825db58b0bb917a2eafa980b2e49f SHA-256: 75b6e262effa32a0c964d78ca4a0fb170cdeef59c2284fbd34d37de23fc275c5
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm, directing users to multiple external URLs, some of which are hosted on compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, and the document body was unreadable, limiting the analysis of specific user lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7390

Heuristics 5

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://dream-mebel.com/pic/file/80586770657.pdf In PDF document text
    • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/07ee10e6c8fc596a9cb7843c2060b126/43827842157.pdfIn PDF document text
    • http://tgtech-auto.com/userfiles/file/1390464269.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7fe2a9b7e4---19218807979.pdfIn PDF document text
    • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/toacase8ab5soqpv4ima9jscm2/43047340833.pdfIn PDF document text
    • https://ksuskalology.com/images/file/21445055004.pdfIn PDF document text
    • http://daoltrading.com/userData/board/file/narepijesenegogujabur.pdfIn PDF document text
    • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/130cfb045763de1f5763c4577b5c3a3e/lobulosalegovu.pdfIn PDF document text
    • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cdd5d244ff---90245603989.pdfIn PDF document text
    • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ce3c4bd57---87582507804.pdfIn PDF document text
    • http://korean-school.hu/hangul/userfiles/file/13525429954.pdfIn PDF document text
    • https://ludifrance.fr/userfiles/file/guwafekegimakos.pdfIn PDF document text
    • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/c036f175791dd05127bb570c4426e281/refukupavovizi.pdfIn PDF document text
    • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a138fa87e2d---lideg.pdfIn PDF document text
    • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/0427b6a5e603f0b1b85f8ffaf7cd37d9/68845041533.pdfIn PDF document text
    • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/66c76b5c55653e2bc7b546894898441d/gemarimonitu.pdfIn PDF document text
    • http://airfa.it/userfiles/file/82730485951.pdfIn PDF document text
    • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a772e1bbd44---zojadusulaxenovij.pdfIn PDF document text
    • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/80598382940.pdfIn PDF document text
    • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/o4i6bnjothb384rmq0ourdln9p/99689078246.pdfIn PDF document text
    • http://myphamhelios.vn/luutru/files/7469979064.pdfIn PDF document text
    • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ee3aa97e6e1---dibejafop.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=a+smarter+way+to+learn+python+mark+myers+pdfPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.