MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm structure. It contains numerous external URIs pointing to potentially malicious or phishing sites, suggesting an attempt to redirect users. The presence of embedded JavaScript indicates a likely mechanism for executing malicious code or further redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://infrive.ru/uplcv?utm_term=all+web+series+free+download+apk PDF link annotation
- https://bhiringisamsankalimandir.org/userfiles/file/9383834696.pdfIn PDF document text
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/67797005472.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/zoninokopukutoxuw.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/reduxofaxuvazunod.pdfIn PDF document text
- https://073741256.com/uploads/files/202109251404308482.pdfIn PDF document text
- https://mimpishiodua.com/contents/files/wumimagotiginatin.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/24734310755.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/33920143570.pdfIn PDF document text
- http://huiking.cn/uploads/file/090446439789.pdfIn PDF document text
- https://waxparadise.pl/userfiles/file/boxeropedebev.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/zuredoweluvowitogapibo.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/lirupikowigal.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109040120523572.pdfIn PDF document text
- https://lotte-ppta.net/beta/assets/file/jawig.pdfIn PDF document text
- http://ambulanceservice.pl/userfiles/file/67662937488.pdfIn PDF document text
- https://sergiomauri.com/images/file/pevejojuna.pdfIn PDF document text
- http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/disut.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/14318829364.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/26218078392.pdfIn PDF document text
- http://chinalabware.net/d/files/vogebegujarivatam.pdfIn PDF document text
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/57353236511.pdfIn PDF document text
- https://hunglivet.com/uploads/files/202109261612097196.pdfIn PDF document text
- https://truongthanhco.vn/webroot/img/files/60029281107.pdfIn PDF document text
- https://ycb.one/pro_pic/files/navugegozevuxag.pdfIn PDF document text
- http://rc-modeller.se/images/file///vakurezin.pdfIn PDF document text
- http://beamstraffic.ae/amb/userfiles/file/63558769510.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/dinigumarezeluna.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_off0000b4c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4C7 | 16200 bytes |
SHA-256: 6b9c369e77762e1cc993691115fbb27aa866951011eb61602a67413601c1ec0f |
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font_01_sfnt_off0000dd47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f55e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55E | 10692 bytes |
SHA-256: 91d89e92610aedebe768efaacfdc2aec7169441abc6d47f0e9eb72a655db4b94 |
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