MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links on disposable hosting, further supporting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://crysiq.ru/uplcv?utm_term=codex+gigas+read+online+in+english PDF link annotation
- https://www.iieng.org/editor/ckfinder/userfiles/files/digamuzegodipafagomamib.pdfIn PDF document text
- http://duquenne-moteurs.fr/webroot/upload/files/vutararelekaf.pdfIn PDF document text
- http://park-seversk.ru/other/js/ckfinder/userfiles/files/wojepodubakedifotime.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/06ac82e5852fb57f1cc722fc113d8eba/42707152104.pdfIn PDF document text
- https://nazragame.com/calisma2/files/uploads/21108699804.pdfIn PDF document text
- http://oralrem.kz/ckfinder/userfiles/files/todoxuzur.pdfIn PDF document text
- http://preciz.com/uploads/wysiwyg/files/16559601225.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/tirula.pdfIn PDF document text
- http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/butivepaxabo.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614111bbe667a---kujepepideruzepoxuge.pdfIn PDF document text
- https://bjjewels.net/nbloom/fckuploads/file/nikonajewobadubavanu.pdfIn PDF document text
- https://heyratacademy.ir/file/58327691075.pdfIn PDF document text
- http://www.multigacos.com/admin/uploaded/fck/file/mixaborakunekuzukap.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/442381493.pdfIn PDF document text
- http://kanomax-nsk.ru/images/fezika.pdfIn PDF document text
- http://oasis-inwaste.asia/files/file/64594222943.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/93255871186.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/14164900304.pdfIn PDF document text
- http://mkpstroitel.ru/upload/files/70810843716.pdfIn PDF document text
- http://desushibar.com/userfiles/file/5488557141.pdfIn PDF document text
- https://audreyheselmans.com/_files/file/13030034924.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31410274140.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/xisotejajuxokovisib.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_off0000f26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26C | 10560 bytes |
SHA-256: befceeb42ce31febde21295cd21ed5963183c86d558e4332e695c3bb26c7801b |
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font_01_sfnt_off00010a33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A33 | 17388 bytes |
SHA-256: d652716ecbd9c542b3f35c5943982186aff0a40a92acad839e2236a8be42e938 |
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font_02_sfnt_off0001375d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1375D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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