Malicious PDF — malware analysis report

Static analysis result for SHA-256 11e19ee322a42eed…

MALICIOUS

PDF

208.4 KB Created: 2021-08-17 18:46:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: c432433067a6371c23104c7f3ed8f114 SHA-1: e41d75b481e4dd67a664c12fcadabc9aad6dad0f SHA-256: 11e19ee322a42eed7da0103585ae80e16f3c015ffea5b0c5f52f34c722b1848b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a detection name indicating it is a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting an attempt to host malicious content or redirect users. The PDF structure and embedded URLs are consistent with phishing lures designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2820

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 https://wastran.ru/uplcv?utm_term=bhagavad+gita+in+sanskrit+with+gujarati+translation+pdf PDF link annotation
    • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc94c5c6a0---jakorapegepawesulenil.pdfIn PDF document text
    • http://chronicles.ae/userfiles/files/6663454178.pdfIn PDF document text
    • https://lederstuehle-shop.de/ckfinder/userfiles/files/nerukijudazaxowuresa.pdfIn PDF document text
    • https://alzubidi.com/userfiles/files/gududozudev.pdfIn PDF document text
    • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/0784929c4f33c75e905e5d41a49319ab/sagozosed.pdfIn PDF document text
    • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/13d907f1220cf88447fe6295bcaca4f5/zaxus.pdfIn PDF document text
    • https://ebooksweb.net/files/file/remepabumijofagir.pdfIn PDF document text
    • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9ab422df7---robivot.pdfIn PDF document text
    • http://dlt-nkp.com/fileupload//file/29544398963.pdfIn PDF document text
    • https://www.sherpachristain.org.np/ckfinder/userfiles/files/78408131674.pdfIn PDF document text
    • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/rps7sa3gdl5d0jeh68fsk53t4g/89537858075.pdfIn PDF document text
    • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/2548cc305068ce705cebed1046860bec/navisetaposuxifaj.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/518c62cfb37a1e62b7874f484b632234/fozimexoxisuriri.pdfIn PDF document text
    • http://offerseir.com/basefile/offerseircom/files/82478452007.pdfIn PDF document text
    • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/4d4513754ea1ff78091b6e28507673c6/96985188323.pdfIn PDF document text
    • https://nnt52.ru/userfiles/file/bowodojorofagupuzegegufe.pdfIn PDF document text
    • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bbff7520d---51320854915.pdfIn PDF document text
    • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b6e78bcd---10803972651.pdfIn PDF document text
    • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b5187ab5d6---vaxanejokijenunagugujumir.pdfIn PDF document text
    • https://fanaf.com/article_ressources/file/28496755404.pdfIn PDF document text
    • http://potlista.com/file/files/xijevowot.pdfIn PDF document text
    • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/906c7df8761c82ce829b8338a2cdb78c/77994161857.pdfIn PDF document text
    • https://autotrans911.com/thread/admin/uploads/file/zozif.pdfIn PDF document text
    • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/6uiguaspoll5u7128rdnpqrjn7/nivumiduwivoxovuzalo.pdfIn PDF document text
    • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/2db0486711a49634fee264292e34d73c/luvuxidib.pdfIn PDF document text
    • https://xo-sound.ru/userfiles/file/jilakubawefezoxozepisinid.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000307df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x307DF 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00031ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31FF6 11172 bytes
SHA-256: fdf963f85e99972bf203da5572089fc83e42055d25ee458645932cdd755b80bc

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