MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a malicious PDF detected by ClamAV and ML classifiers, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, suggesting it's designed to redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further indicates a pattern of using disposable hosting for link farms, likely to distribute malware or facilitate phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://sahcarpets.com/userfiles/file/gumowib.pdf In PDF document text
- http://gonvvama.net/filespath/files/20210913160417.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/2b8f515868b52a7f4020c650d066b51c/fojif.pdfIn PDF document text
- http://merydian.pl/nowymerydian/userfiles/file/tumisiturejogijabo.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/94644154996.pdfIn PDF document text
- http://ecole-belair.com/ecole/file/1445374011.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/0add65b89eda1e77cc99080a4e19fd82/xamujudojafajoriwedibives.pdfIn PDF document text
- https://satbietthu.com/luutru/files/76088760651.pdfIn PDF document text
- http://postelezmasivu-brno.com/ckfinder/userfiles/files/relafodijutalopadabas.pdfIn PDF document text
- http://miskolciharsona.hu/pictures/file/talodib.pdfIn PDF document text
- http://klawiatury-foliowe.pl/_data/file/rafazilobedogokepunewaro.pdfIn PDF document text
- https://tefen67.com/userfiles/files/momasipoposigadupo.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/difiwo.pdfIn PDF document text
- https://theptaynam.vn/upload/files/dubamuxopa.pdfIn PDF document text
- http://kooijobs.in/ckfinder/userfiles/files/monuxibilo.pdfIn PDF document text
- https://dalton-english.com/userfiles/file/75825559904.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/21685194085.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/34429695832.pdfIn PDF document text
- http://gmart-express.com/demo/uploadpic/file/nurizir.pdfIn PDF document text
- http://tnslib.tools/userfiles/files/livixox.pdfIn PDF document text
- http://drironcat.com/images/file/kexawuzetoxe.pdfIn PDF document text
- http://nakloboucku.cz/uploaded/file/37052342678.pdfIn PDF document text
- http://kotolantopeni.cz/file/fujosikefavevibepirasapo.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210903_7E7D78C141554D4A.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=grand+truck+mod+apkPDF 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_off0000ba0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA0E | 15684 bytes |
SHA-256: 74fa5900adcfe42ed76ec86b66f5459bc9c7af953128676932baac1d7b8185ab |
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font_01_sfnt_off0000e22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE22E | 10468 bytes |
SHA-256: e7755489c841dd394175dc19ef1d58522519359056c8d95f7519a3207c251b8a |
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font_02_sfnt_off0000f9f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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