PDF malware analysis — malicious · 5dbfdf3881bccee7

MALICIOUS

PDF

50.6 KB Created: 2020-12-05 19:50:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0459b9a7f4b6bbae3426fa489a873045 SHA-1: 75a646d6fb7b887914f4dde1dfdae6159e58ae29 SHA-256: 5dbfdf3881bccee748cd640b9bff61cc8cc008321cc1202358de70d10e196c4a

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection and ML classifier indicate malicious intent, specifically flagged as 'Pdf.Phishing.Trojan'. While no scripts were explicitly extracted, the presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' strongly suggest a phishing or malicious redirection attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.7305

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffi.ru/aws?utm_term=cloridrato+de+metformina+serve+para+engravidar
- https://cdn-cms.f-static.net/uploads/4374372/normal_5f9635a555e2a.pdf
- https://wivujugojuz.weebly.com/uploads/1/3/4/8/134883460/bigikemuta.pdf
- https://uploads.strikinglycdn.com/files/5b788b2c-3dc4-45f0-85df-7dbb9753a207/hunter_biden_investigation_2012.pdf
- https://s3.amazonaws.com/tigovatolis/41805040326.pdf
- https://static1.squarespace.com/static/5fc5aae9affbf90a660b10b8/t/5fc8ec9b22891c6875c8505a/1607003292250/boxing_day_sales_deals_amazon.pdf
- https://s3.amazonaws.com/tubupejevomo/87960704223.pdf
- https://s3.amazonaws.com/begijufadi/konar_tamil_guide_10th_new_syllabus.pdf
- https://s3.amazonaws.com/xelimewat/best_performing_super_funds_new_zealand.pdf
- https://s3.amazonaws.com/lijulijowivaze/tisemadowalevibewix.pdf
- https://s3.amazonaws.com/henghuili-files2/tri_m_music_honor_society_scholarships.pdf

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