Malicious PDF — malware analysis report

Static analysis result for SHA-256 09acf088f60c5cbb…

MALICIOUS

PDF

216.6 KB Created: 2021-07-19 07:51:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: 8517f8ddcb9bd24c1f4f2a3fc9aa2afd SHA-1: d098e2a8d3ecac6e8f2cc39173b6e7dbbcec1198 SHA-256: 09acf088f60c5cbb567d92df58c31fe23c28cb5e7c0626d28e1c2d3e7c285446
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the PDF structure itself are indicative of exploitation attempts, likely leading to the download of further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7996

Heuristics 4

  • 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.
  • 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://go-pxl.com/uploads/files/dotozalejenal.pdf In PDF document text
    • http://rafaelokazakov.com/file/kamiguta.pdfIn PDF document text
    • https://klcmekatronik.com/ckfinder/userfiles/files/xudorikasujilekivofe.pdfIn PDF document text
    • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d78fe52c8---62747201209.pdfIn PDF document text
    • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/ba052f7d0b1f57e69c2a859711ea6b59/30312387760.pdfIn PDF document text
    • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/p5r41otp65frnvsv3n53t17nj0/26305677228.pdfIn PDF document text
    • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/f6fc1ecc7212943e1f10d387b7bbcd21/jemezitopitujonuzonega.pdfIn PDF document text
    • http://benardoutlite.com/admin/fckeditor/fckdata/file/bibeleviwofolafun.pdfIn PDF document text
    • http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/wudipakijeziz.pdfIn PDF document text
    • http://nedirajtebosnu.net/userfiles/file/29183269816.pdfIn PDF document text
    • http://chieusangducphat.com/uploads/userfiles/file/55535984170.pdfIn PDF document text
    • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/bc7321fc88105d380645ac3000d3a886/tuvosepudokexulexogef.pdfIn PDF document text
    • http://praguetransfer.com/files/file/80535621499.pdfIn PDF document text
    • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc56d618e1---porulowemo.pdfIn PDF document text
    • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a15509cced6---xulimudijipotalavazixa.pdfIn PDF document text
    • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/cpu4ad8c694hlnqp8kfpndh69n/48834005668.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824a5d8ac97---26641435949.pdfIn PDF document text
    • http://ristoranteyuri2.com/userfiles/file/renozosojake.pdfIn PDF document text
    • https://agatanorek.com/files/file/guzuwulepe.pdfIn PDF document text
    • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/m5g03af0p9va1g183jnunujgia/81615960407.pdfIn PDF document text
    • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160987ffdf316b---36608551513.pdfIn PDF document text
    • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16078468bdda43---55045642047.pdfIn PDF document text
    • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743a373cc77---wulaxifekiruri.pdfIn PDF document text
    • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c22b0a58547---86957547873.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+determine+whether+a+relation+is+a+functionPDF link annotation
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000340ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x340AE 10916 bytes
SHA-256: 2698b27d92996c7fd164ffcc1e4e4e7c2147f2160e65c5bc88292f1e9b184ea6

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