MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a malicious document, likely serving as a lure for initial access.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://crewmak.ru/uplcv?utm_term=chrome+for+kindle+fire PDF link annotation
- http://tw-tms.com/uploadpic/xw/files/mixowuwuweredokito.pdfIn PDF document text
- https://zhavezbozi.cz/data/file/gowelisalositipomunan.pdfIn PDF document text
- https://academiesutherland.com/userfiles/file/92810898011.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/91917291405.pdfIn PDF document text
- https://zniczekowalczyk.com/user_images/file/buxubudevu.pdfIn PDF document text
- http://anshan56.cn/userfiles/file/1631689417417616193.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/6735962047.pdfIn PDF document text
- http://energyexcess.com/userfiles/file/wusimunexuxukepog.pdfIn PDF document text
- http://alfonsoguiggiarchitetto.it/userfiles/files/82390869841.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/xemesexer.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/sekuliwega.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/42389483513.pdfIn PDF document text
- http://papianiarch.it/userfiles/files/92731794161.pdfIn PDF document text
- http://acrclubinversores.com/files/galeria/files/nuzuwa.pdfIn PDF document text
- https://ecableapp.com/FCKeditor/FCKimgUpload/file/87543997620.pdfIn PDF document text
- https://nocenzura.space/web/img/podborky/files/puvajiwogowirufazotososog.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/sotizapowuluwewit.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1615009d000e52---27257768473.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021091606013490.pdfIn PDF document text
- http://weighlessthisyear.com/ckfinder/userfiles/files/36037675271.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137479c258d8---zikenesaduxazek.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/16837946904.pdfIn PDF document text
- https://oklogistic.lv/upload/file/netexoxuwud.pdfIn PDF document text
- http://xn--b1adrijbbb.xn--p1ai/upload_picture/gapesisujigeno.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_off0000b1d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D6 | 10316 bytes |
SHA-256: 6110464b3185a70a09522b62d01bda938d228977166a447851da02e36419d46f |
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font_01_sfnt_off0000c8d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E5 | 14752 bytes |
SHA-256: 787100095990619759f31511f88501f013fc210320b27c9c2d7f822d0cc75f2e |
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