MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating it is likely a phishing or malware distribution attempt. It contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, suggesting a redirection mechanism to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the final destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://laborke.ru/uplcv?utm_term=what+is+voicemail+app+on+android PDF link annotation
- http://futimisdev.com/userfiles/file/sotawolifivu.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16139602fc8eb3---lufizive.pdfIn PDF document text
- http://stonepigments.com/userfiles/file/kalukinusegizoxupiz.pdfIn PDF document text
- http://koreaseowon.com/ckupload/files/rapijak.pdfIn PDF document text
- https://oasis-travel.ro/files/busuvobuwaw.pdfIn PDF document text
- http://jr.ac.th/ckfinder/userfiles/files/lulikekadoji.pdfIn PDF document text
- http://attlas.center/userfiles/file/17486357467.pdfIn PDF document text
- https://chiuman-hk.com/images/file/labowatiledugupa.pdfIn PDF document text
- http://savvyais.com/userfiles/file/8203772364.pdfIn PDF document text
- http://tonioloclaudio.it/userfiles/files/10405599226.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210907124535.pdfIn PDF document text
- http://alltechsro.cz/files/70527653507.pdfIn PDF document text
- https://gymlesgeants.com/upload/editor/file/8553504704.pdfIn PDF document text
- http://domplus.su/userfiles/files/53859165516.pdfIn PDF document text
- http://zamgph.com/uploads/file/031545548581.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/170748babe2d30b30bb9921677cd96bb/39518915802.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/siperevasojozid.pdfIn PDF document text
- http://ajisushionline.com/uploads/files/25729611136.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109101115496258.pdfIn PDF document text
- http://kripasec.com/userfiles/file/gisifonanuxusutelak.pdfIn PDF document text
- http://baohanhranghm.com/upload/img/files/wuxewove.pdfIn PDF document text
- http://gld-lining.com/user_img/files/3882884647.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/pibosumowolibu.pdfIn PDF document text
- https://morganmethod.tuesdaytrader.com/ci/userfiles/files/pikezojetimagutijipijalig.pdfIn PDF document text
- http://xhiehchin.com/Xhieh_News/_file/52631212783.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_off0000eb01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB01 | 10840 bytes |
SHA-256: 2b27585144d3a6b15208d77abff64814c0eadbc8b304bdecbee660ac48e88b28 |
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font_01_sfnt_off000103db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103DB | 18248 bytes |
SHA-256: bd2293aa87ac06aa09b9012cfbb393e9fb802a949d343e76cc8c1e73f89707fe |
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font_02_sfnt_off00013322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13322 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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