MALICIOUS
262
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
The PDF contains a visual lure, presenting a screenshot to entice users to click. It hosts a large number of external links, many pointing to disposable domains, and includes a critical redirector link to 'yafferge.ru'. This indicates a phishing or content-farming operation designed to drive traffic to attacker-controlled infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.7391
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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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 50 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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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://yafferge.ru/aws?utm_term=simple+html+css+javascript+templates+free
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- https://jematujevuzonip.weebly.com/uploads/1/3/4/2/134235480/6759029.pdf
- http://scoretdho.best/50787114377xzjnl.pdf
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- https://tulugawaluga.weebly.com/uploads/1/3/0/9/130969515/dapagotukoziriruxibi.pdf
- https://liroxinumapidaz.weebly.com/uploads/1/3/5/3/135348088/fa54fcc5147dd.pdf
- http://lnstagramverifiedbadge-media.com/zuritaxabukolubatrp3m.pdf
- https://kaxuzemerufo.weebly.com/uploads/1/3/0/7/130775382/sinezepatexe_gejigijolenip.pdf
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