PDF malware analysis — malicious · 5ed91b093e5c992a

MALICIOUS

PDF

207.7 KB Created: 2021-06-20 12:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12

MD5: e8cbf43c4d560a6c2d3a541f1f74d746 SHA-1: 50e40e16ef30f2446b3c337c78f444a9a9c81120 SHA-256: 5ed91b093e5c992a4e5d8bc2465f02cf2eefedff0b7af8832d7563b2e81e76c6

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The sample is a PDF document that contains multiple links to external resources, many of which are hosted on compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. Although no scripts were explicitly extracted, the presence of numerous links to potentially malicious content suggests an attempt to redirect the user to a malicious site or download a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9526

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://pixomot.ru/uplcv?utm_term=thyroidinum+materia+medica PDF link annotation
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2de4b8173---nokakifozu.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/90800580462.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/70322b61cae6a8c12c68c0e76197182b/80386601852.pdfIn PDF document text
- http://groupkaishan.com/d/files/86057571268.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16085102ed4d30---xudoda.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160788b50cda56---57649313684.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094d45b8b4a6---13668896592.pdfIn PDF document text
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083ad8b111ed---dekegu.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608679d19ee2a---mujadexe.pdfIn PDF document text
- https://adreshosting.com/calisma2/files/uploads/46344540479.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160790db4105cd---42411703029.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adce2809f9b---gojakofemiwidutitilop.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/76373e5a239a09a1f04524dd7bfc17cf/16801606752.pdfIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/af650f79f81aa24080baa6c69d524249/92766377140.pdfIn PDF document text

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