MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to disposable hosting and are used in link farms, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URIs are consistent with techniques used to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://synerhu.ru/uplcv?utm_term=student+book+review+example PDF link annotation
- http://yotlist.com/uniformkontakt/userfiles/image/files/jivaziwapizugela.pdfIn PDF document text
- https://greenfins-thailand.org/uploads/file/riparimukemonu.pdfIn PDF document text
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/miralo.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/vobezoriwiwidewuxes.pdfIn PDF document text
- http://theartofdesign.nl/ckfinder/userfiles/files/rudozibovipawaxafi.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315b5b2ee84---defadiniwupuxopetobokog.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/77704753454.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/46227278245.pdfIn PDF document text
- http://ipcmanpower.com/admin/style/images/userfiles/file/72644043455.pdfIn PDF document text
- http://xn--2e0b95unoa536adofm5h.com/userfiles/file/47792595951.pdfIn PDF document text
- http://somkuthyoptika.hu/editor_up/45065554252.pdfIn PDF document text
- http://carbonelite.ru/file/nezasuvu.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/15186814043.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/79126580070.pdfIn PDF document text
- https://lengthening-sldf.com/userfiles/file/6771498682.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/6f1475c2be0d907f885c0eefaac323c4/lotigowumox.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109132215363365.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/venasegumorajujibisivi.pdfIn PDF document text
- https://g-mtcc.com/motakamel/Ups/files/zepofagafumelidagomaxix.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/73254214774.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/83890840224.pdfIn PDF document text
- http://saraiaser.nl/userfiles/file/99351164590.pdfIn PDF document text
- http://fantasymusic.it/userfiles/files/pobova.pdfIn PDF document text
- http://bancasemecanino.com/userfiles/files/rekifilukazetakujute.pdfIn PDF document text
- https://labelmarket.pl/data/file/batadelinozogixotaki.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/24761516114.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_off0000b447.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB447 | 18144 bytes |
SHA-256: 98e51d5eb0a880f805c6e7f8f0a34c9507a07938f0485f045ae050793fa31c12 |
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font_01_sfnt_off0000e1ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA06 | 11048 bytes |
SHA-256: 3a37ec7e1dae4a558a8df915768fb2a33d9f73525a3dba61df0697eb53c18c47 |
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