Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bcec0800bcbfabb…

MALICIOUS

PDF

84.5 KB Created: 2021-07-17 21:17:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: a43b8c093dce9b487f17848d8fcdd110 SHA-1: faa7ac4d75b32b956efb30831c7a1d19b8286cdd SHA-256: 5bcec0800bcbfabbbf3b003490256df8a9f490c236304a032a9d7b260f169a9b
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of links, many of which point to compromised WordPress sites and disposable hosting. This structure suggests the document is designed as a link farm to distribute malicious content or phish users. ClamAV detection further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3498

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://bjaimama.com/data/upload/2021/05/file/202105210444342456.pdf In PDF document text
    • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/406448659e1e6c96d468915fb451b42b/83534512379.pdfIn PDF document text
    • http://emeat.ru/var/files/xofepuvopube.pdfIn PDF document text
    • http://orgue-chantepie.info/FCKeditor/upload/file/tudiganazimapazerosot.pdfIn PDF document text
    • http://exhibitionchannel.com/upload/48657562338.pdfIn PDF document text
    • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/3e92d3e02a33cff00d52e8dbecc9c53a/wutorelijezavuziraf.pdfIn PDF document text
    • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/7b0c2d08412854d4e2f23e4443a79861/66403036300.pdfIn PDF document text
    • http://gancza.pl/userfiles/file/53144883734.pdfIn PDF document text
    • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a67470dc4---77320723184.pdfIn PDF document text
    • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9d5d0cc45---88448622589.pdfIn PDF document text
    • http://ackerviewguesthouse.com/userfiles/file/kefejidunodipesorabotuber.pdfIn PDF document text
    • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160728f0425e80---7103487388.pdfIn PDF document text
    • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/33e086684109a41036eb84f3ff3c9c84/19561999915.pdfIn PDF document text
    • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/gefox.pdfIn PDF document text
    • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae57387db---25259813935.pdfIn PDF document text
    • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/06t4d15ckojno440q4m7rtttfk/vojagaketepebitil.pdfIn PDF document text
    • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082bb3571d81---63802678612.pdfIn PDF document text
    • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/50cc623630f586ab177c9514b6e99a93/sidujafirenatejetusit.pdfIn PDF document text
    • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/k0mnbj9avkp8slgn9n5ld97q2j/18193016191.pdfIn PDF document text
    • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebf417b7cc---nuwagilurujevebadolufunej.pdfIn PDF document text
    • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/7pjv25o8o99mjk0crf7oud3tqn/jeburimenagesulabupo.pdfIn PDF document text
    • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/im3b61hep9vilog9qhm0i227qu/riwaloxonegikulumurexa.pdfIn PDF document text
    • http://zlato-stribro-investice.com/upload/files/negad.pdfIn PDF document text
    • https://qualitymattressfactory.com/admin/userfiles/file/13077739473.pdfIn PDF document text
    • http://ncdesign.it/userfiles/files/27320245366.pdfIn PDF document text
    • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5aca7a5fcd---zuramugagigowepaga.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=most+basic+type+of+listeningPDF link annotation

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