PDF malware analysis — malicious · fbac7241f424ff54

MALICIOUS

PDF

39.0 KB Created: 2021-09-05 07:04:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07

MD5: 48261135759b9beb7bddffa7dd3b4921 SHA-1: f527629ac3b5affe796b93416721b05b07db0e58 SHA-256: fbac7241f424ff545eb3e9cfd2ce1ac17993fa52c9c8bf7e99a609d11a52a6c6

84 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and exhibits characteristics of a phishing lure, including being image-heavy with minimal text and containing a clickable external URI. The heuristic 'PDF_IMAGE_LURE' indicates the document is likely a screenshot designed to hide a malicious link, which was confirmed by the presence of an embedded URL pointing to 'coretry.ru'. This suggests the document's primary purpose is to redirect users to a potentially harmful site.

Machine Learning

Nyx PDF Classifier suspicious score 0.3262

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
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 39 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://coretry.ru/uplcv?utm_term=past+simple+used+to+and+would+pdf PDF link annotation

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