MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, with heuristics indicating it functions as a link farm. The PDF contains numerous embedded URLs pointing to other PDF files hosted on various domains, suggesting a distribution or phishing campaign. While no scripts were directly extracted, the nature of PDF exploits often involves embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://dursunguney.com/userfiles/files/25617011269.pdf In PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/wamibobekekafawukeb.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/fezupegabulina.pdfIn PDF document text
- http://itemclinicchina.com/ckupload/files/94928597113.pdfIn PDF document text
- https://expomediainc.com/upload/file/78967613543.pdfIn PDF document text
- http://templeton.sk/userfiles/file/43835085737.pdfIn PDF document text
- http://farmaciafasolis.eu/userfiles/files/73594078900.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/51066951824.pdfIn PDF document text
- https://xetnghiemadndanang.com/upload/userfiles/files/gifazijepijuzu.pdfIn PDF document text
- http://www.almansori-ye.com/almansorifiles/files/34876143033.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/tenogepete.pdfIn PDF document text
- http://atamergranit.com/userfiles/file/bimebefutuxajozojifav.pdfIn PDF document text
- http://jatyn.cn/upfiles/202109/file/1631054861.pdfIn PDF document text
- https://machnhaduong.com/images/uploads/files/nokuduwudafenoz.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/diwefubulozoxufuzewol.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/vafup.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/xanisolixuwovatubotit.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/84705635913.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/22ad2677ee8e1b15fb1d9914bad0d8f0/30701674153.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210910011927-dabalabivigopezaxak.pdfIn PDF document text
- http://gardatrans.com/content/Files/98196015147.pdfIn PDF document text
- http://agilesolutions.in/uploads/9847921761.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/milugod.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/40495316762.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=free+publisher+app+for+androidPDF link annotation
- 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_off0000d842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD842 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF059 | 10712 bytes |
SHA-256: c5fc5ddd47646cc1fc863e0c418ffbcca109b6ae4fcf0ac76a2033c496c339a2 |
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font_02_sfnt_off00010883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10883 | 17416 bytes |
SHA-256: 0c437eb9c549ba15e219fa091309afeda1b2938315277a87c9fa679331f71b53 |
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