MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script is likely responsible for the external URI redirection observed, which points to potentially malicious or phishing-related domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for distributing further malware or conducting phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 6
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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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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 JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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://coretry.ru/uplcv?utm_term=call+of+cthulhu+rpg+pdf+download PDF link annotation
- http://csc-vietnam.vn/uploads/userfiles/file/rerav.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/97941196016.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/lerudisuvuwe.pdfIn PDF document text
- http://progetec.org/userfiles/files/valolamegenejevuguwe.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/97514761311.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/lenirigilofazizak.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/75753171659.pdfIn PDF document text
- http://mt-filtration.com/uploaded/file/175730445861326099a25a5.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/ace2b94ded91afd3612163e3cfe877cd/zujowopojefuwivil.pdfIn PDF document text
- https://mollis.rs/files/60245237495.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/6597150695.pdfIn PDF document text
- http://pate4me.com/userfiles/file/17444730830.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/kuwokekasejulamurosevu.pdfIn PDF document text
- https://luatkhangthai.vn/upload/fck/file/87061340497.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eadbf1219b---80953964993.pdfIn PDF document text
- http://abwrichmond.com/uploads/files/78019107082.pdfIn PDF document text
- https://svenjakretschmer.com/ckfinder/userfiles/files/57376889861.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/13146572365.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/6618398912.pdfIn PDF document text
- https://theurbanthinktank.com/files/nofalara.pdfIn PDF document text
- https://www.seblocation.com/ckfinder/userfiles/files/wevudefonixafag.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/25991748937.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/mekavimelosigujak.pdfIn PDF document text
- http://alpinedelhi.com/userfiles/files/18374888821.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f246.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF246 | 18568 bytes |
SHA-256: f9a8f88500cf68842171d11fb3ef90d87fee61fb2577966b7b41ec7e96f588f1 |
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font_02_sfnt_off000122c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C9 | 10724 bytes |
SHA-256: f661b4f2869693ee627295ea30dbb7088ad44d8b0717c569bb903c9313d99bac |
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