Malicious PDF — malware analysis report

Static analysis result for SHA-256 eafe829021134e89…

MALICIOUS

PDF

108.4 KB Created: 2021-07-18 03:46:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 2f991a1dc788cc48c18daebb355d77c7 SHA-1: 90eb9653da7cb31db41046ad7210b0f261ef7a41 SHA-256: eafe829021134e89f35719a283689723fc16a4656efa46e999bc683e91e9c1c7
124 Risk Score

Malware Insights

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

This PDF file contains a link farm pointing to multiple compromised CMS upload directories, indicating a phishing or redirection attempt. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. The primary goal appears to be directing users to malicious content hosted on these compromised sites.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3929

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://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c34a86aae9---32275042569.pdf In PDF document text
    • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/9249f0f15ec1f4fb22bbaef80d69d304/xapile.pdfIn PDF document text
    • http://teerosy.com/ipp/images/uploads/files/danovavetakeridivo.pdfIn PDF document text
    • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160774a73e5317---labozufejate.pdfIn PDF document text
    • http://thevelascofamily.com/clients/11614/File/32671522316.pdfIn PDF document text
    • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3dcb063c50---92816046671.pdfIn PDF document text
    • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/786a2305cce5b2a888707d8ea3166227/tixurenaxasi.pdfIn PDF document text
    • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160da7ba3e0b2b---30400544527.pdfIn PDF document text
    • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/fc80b0ad181d3a174592a86d6c20e285/dipuwoniti.pdfIn PDF document text
    • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607807c581cc5---vokenemunedura.pdfIn PDF document text
    • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/toeqjbcg3sn61i9h1s763rb6e2/depefekufo.pdfIn PDF document text
    • http://abpaluso.com/upload/file/jagon.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a843356c8cf---subonivabevirofes.pdfIn PDF document text
    • http://artpolinakuzina.ru/pict/file/sojidi.pdfIn PDF document text
    • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160724f78ebffd---rukoroxogofulezopojapor.pdfIn PDF document text
    • http://accessiblevehicleservices.com/userfiles/file/93874324593.pdfIn PDF document text
    • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bfe7bd76b---39985305386.pdfIn PDF document text
    • http://bjhtdszdh.com/v15/Upload/file/202169629157394.pdfIn PDF document text
    • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160e4c0e7cf0cf---gogonez.pdfIn PDF document text
    • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16079f1b7697f3---88564723765.pdfIn PDF document text
    • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/a80ae564c138a823da3706a5b2e62885/jefexadururojobowunusol.pdfIn PDF document text
    • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/d5a5eedbe6d453035b8de1ed649e6c61/55852413506.pdfIn PDF document text
    • http://greenplanetnepal.com/userfiles/file/waxegisimozuvejolusok.pdfIn PDF document text
    • http://tebsc.com/clients/84181/File/tazuzuwaderanavogi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=tenses+active+and+passivePDF link annotation

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