MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's designed to redirect users to potentially harmful sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://queure.ru/uplcv?utm_term=what+is+my+voicemail+number+android PDF link annotation
- http://sportingclubalbinia.eu/userfiles/files/pigozit.pdfIn PDF document text
- http://rcp-ranstadt.us/files/vilifuvibevovo.pdfIn PDF document text
- https://people11people.com/uploads/File/71362549809.pdfIn PDF document text
- https://shiokuda2.com/contents/files/wurejowezefinakimozilawuz.pdfIn PDF document text
- https://linhquan-group.com/upload/ck/files/zularodoseduzovazira.pdfIn PDF document text
- http://xn--j1aai7d.xn--p1ai/userfiles/file/71018181994.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/55792683531.pdfIn PDF document text
- https://muacash.com/webroot/img/files/xaparituzobekuvorilodu.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210912021158.pdfIn PDF document text
- http://groupkaishan.com/d/files/42105745670.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/87419583030.pdfIn PDF document text
- http://beerskiboot.de/img/upload/file/rulifipokego.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/gulivofolibifogobamisud.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/11157462331.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/nepex.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16130cb440a754---48390248274.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/94935440465.pdfIn PDF document text
- http://massvt.sk/editor_uploads/system/files/tesofaxanikaladix.pdfIn PDF document text
- http://turagent007.ru/userfiles/file/mudorase.pdfIn PDF document text
- http://medizator.ru/ckfinder/userfiles/files/9661411079.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/1418162445.pdfIn PDF document text
- http://kayamedbursa.com/userfiles/file/24781419233.pdfIn PDF document text
- http://tlumacz-lipno.pl/pdrzewiecki/files/84430675534.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614508f801f69---pizunowofominud.pdfIn PDF document text
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/lelojetibusigukepovusise.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/vewisimironol.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_off0000dbe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE8 | 11048 bytes |
SHA-256: 0c84c313b75b958283073ef7db34bf7bed23c8a6e08c86b1691ee901306cab90 |
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font_01_sfnt_off0000f575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF575 | 17976 bytes |
SHA-256: e141876be338d04fcee8f212785735ae310219a5693559f82e5d4464dd6e6db0 |
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font_02_sfnt_off0001235a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1235A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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