MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this malicious intent, likely serving as a lure for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=uri+the+surgical+strike+download
- http://zjgyuanhong.com/v15/Upload/file/202195122843430.pdf
- http://chelseafoodmart.com/uploads/files/29930373437.pdf
- https://zhbiotech.com/CKEdit/upload/files/kokibawabozab.pdf
- http://mrpokedb.com/uploads/files/vobeke.pdf
- https://nangluongvada.com/uploads/files/bagilozosukirabugejezi.pdf
- http://kanchanaspa.com/ckfinder/userfiles/files/736744888.pdf
- https://eldorado777.ro/upload/editor/file/93946965720.pdf
- http://webinaris.org/ckfinder/userfiles/publics/files/15494696831.pdf
- https://ever-progress.com/upload/files/9168224480.pdf
- https://serwisnawigacji.pl/userfiles/file/6755253013.pdf
- http://rjbmachinery.com/d/files/76714973376.pdf
- http://naturallabs.de/userfiles/file/fuzedemopo.pdf
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/20305261379.pdf
- http://ladyvenus.it/userfiles/files/vofefusujibisodagubu.pdf
- http://kolesnikov.pro/ckfinder/userfiles/files/89396901253.pdf
- https://polymadeniyaglar.com/fckeditor/userfiles/file/2659163357.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409310864c2---1526502014.pdf
- http://zjgyuanhong.com/v15/Upload/file/2021922128128104.pdf
- http://geofer.eu/userfiles/files/1128695953.pdf
- https://italvaping.com/file/14360470691.pdf
- http://tokstar.com/_UploadFile/Images/file/fusunefobujaserojavaxo.pdf
- https://shiksha24.com/userfiles/files/dabimunaz.pdf
- http://erainbowrealty.com/userfiles/file/kavovaxede.pdf
- http://tuanlongland.com/upload/files/jagevonosiresimow.pdf
- http://www.slenderclub.cz/ckfinder/userfiles/files/kudomatofazobifo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6bd.bin039c147e6c77416f8170c3ff7a8f34fe711b0bf3732c4cf0439817d99075bca1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6BD | 19512 bytes |
font_01_sfnt_off0000e98c.bine311d4ec32de8a53f3c50a9dea58fe100011775334b9b937a1ffa854dbd110d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98C | 10932 bytes |
font_02_sfnt_off000102b5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B5 | 16792 bytes |
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