MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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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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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://archism.ru/uplcv?utm_term=v+graphics+gta+sa+download PDF link annotation
- http://brezov-gaj.si/uporabnik/file/1732719602.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/31752329299.pdfIn PDF document text
- https://glaskunstcentrum.nl/images/file/90352644658.pdfIn PDF document text
- https://saatyapi.com/upload/ckfinder/files/39096900123.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/99529025440.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/tirezan.pdfIn PDF document text
- https://tractorpulling-emmeloord.nl/upload/file/bumizududumoxenofelal.pdfIn PDF document text
- http://antansconstructions.com/ckfinder/userfiles/files/51687575890.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613576c8af3d6---fixozivu.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/tawesob.pdfIn PDF document text
- https://nenmongdangquang.com/upload/files/fivuxol.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.com/userfiles/file/61872127078.pdfIn PDF document text
- http://wronba.com/uploads/wysiwyg/file/66863318318.pdfIn PDF document text
- http://drivingschool-brno.eu/files/fetalunomepare.pdfIn PDF document text
- https://autonoleggioassereto.com/file/55272781788.pdfIn PDF document text
- https://led7.ru/file/23827620373.pdfIn PDF document text
- http://xn--80aer5aza.xn--19-kmcm3c.xn--p1ai/ckfinder/userfiles/files/nanokufelizakixipexanimo.pdfIn PDF document text
- https://www.comperat-89.fr/ckfinder/userfiles/files/kuveruva.pdfIn PDF document text
- http://jawarakreasi.com/file/64258397893.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613857e1e3809---wovuxapezoro.pdfIn PDF document text
- https://ooo-kenk.ru/userfiles/file/77999660231.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/8512696895.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210920_090805.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_off0000d34a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5C | 17268 bytes |
SHA-256: 5d84a4f45eb18ad0a7e972c1b1a52bd8ad5b617290b1bdb64adf59799bffac61 |
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font_02_sfnt_off0001185c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185C | 10716 bytes |
SHA-256: fe3a145f61d990e1d8b935d15071c52d3942a3ed6ef4b9ec0b3280ab81b7027b |
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