MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by multiple heuristics and a machine learning classifier, indicating a phishing or malware distribution attempt. The PDF employs an image-only lure, typical of phishing campaigns, to entice users to click on embedded links. One such link, https://bologen.ru/strik?utm_term=lazarillo+de+tormes+tratado+7+resumen+para+ni%25C3%25B1os, is flagged as a potential threat, suggesting it leads to malicious content. The document's structure and the presence of numerous external links point towards its use as a link farm for distributing malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.8169
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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://bologen.ru/strik?utm_term=lazarillo+de+tormes+tratado+7+resumen+para+ni%25C3%25B1os
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