MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many hosted on disposable domains, and is flagged by ML classifiers and ClamAV as malicious. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using small PDFs as link farms on disposable hosting, suggesting a phishing or malware distribution campaign. The presence of embedded URLs further supports this, pointing towards an attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://crysiq.ru/uplcv?utm_term=paramount+network+firestick PDF link annotation
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/51381987845.pdfIn PDF document text
- http://rialta.ie/userfiles/files/27385206381.pdfIn PDF document text
- http://laskod.hu/userfiles/file/82418592337.pdfIn PDF document text
- http://vedepcuaem.com/luutru/files/nogidasaw.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/10613188083.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161520dc4a89b2---ravuxizavujutodefe.pdfIn PDF document text
- http://efuturesthai.com/uploads/files/buzubudimujixutipawij.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/14593615881.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/xudoxotinibi.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/15980050685.pdfIn PDF document text
- http://peter-scherer.de/userfiles/file/67857154464.pdfIn PDF document text
- http://kidsjeodo.com/images/files/sofivepube.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/xilamuposipa.pdfIn PDF document text
- http://eichler-kammerer.de/5358714197.pdfIn PDF document text
- http://elturo.ru/img/upload/files/39508152211.pdfIn PDF document text
- http://www.flamanville-76.fr/upload/file/36206980856.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/jabajexururerimamegisumo.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/b8908811f66eedf2a20f29e1b4fdafe3/wezasefaxet.pdfIn PDF document text
- https://tenhucchi.com/upload/files/nazadufevelesepelakozab.pdfIn PDF document text
- http://pengyou-english.com/FileData/ckfinder/files/20210928_9300CFDEC52B1DFC.pdfIn PDF document text
- https://canoe.ro/Extras/ckfinder/userfiles/files/sebinafunumabate.pdfIn PDF document text
- http://rjbmachinery.com/d/files/jotazusoruxufi.pdfIn PDF document text
- http://nt-module.ru/ckfinder/userfiles/files/zesosaxugokajiwogabupagum.pdfIn PDF document text
- http://oreoltour.ru/sites/default/files/file/kijalaporokowijil.pdfIn PDF document text
- https://subded.org/userfiles/file/10602707559.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_off0000b00e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB00E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC820 | 15216 bytes |
SHA-256: 5e4415a5627edfa8ca55ff4ce74bbade82c5a22e33801b93110de1ba04d1be85 |
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font_02_sfnt_off0000ee9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE9C | 10728 bytes |
SHA-256: ec84d9680e67b158aa4743bf7678650e2eed812352c4b282e489be6457845d8d |
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