MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The presence of numerous external URLs, many pointing to disposable domains and employing UTM parameters, strongly suggests a phishing or link-farming operation. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with malicious documents designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://nomylo.ru/uplcv?utm_term=icons+on+top+of+android+screen PDF link annotation
- https://mikludava.lt/images/files/tadefowaribojesu.pdfIn PDF document text
- http://orthodoxnews.us/file/58544165859.pdfIn PDF document text
- https://ka-base.no/images_content/file/nozisuregu.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/moxoled.pdfIn PDF document text
- http://xn--9w3b11kh5l.com/ckupload/files/93687228586.pdfIn PDF document text
- http://irollee.com/userfiles/file/37365172413.pdfIn PDF document text
- http://hzxf.com/images/upload/File/lujoganenamejexire.pdfIn PDF document text
- https://buka.ru/sadm_files/26505325910.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/jiniladed.pdfIn PDF document text
- https://nidi.mk/ckfinder/userfiles/files/26402374906.pdfIn PDF document text
- http://laros.cz/UserFiles/file/lijaloretulajivegi.pdfIn PDF document text
- https://ladangmimpi.com/contents/files/giwiwesakoximiladunijo.pdfIn PDF document text
- http://tochalco.com/uploads/files/tonexekidejugoje.pdfIn PDF document text
- http://mobilahomedesign.com/userfiles/files/dufibejuv.pdfIn PDF document text
- https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/sidaxeleradotipobujerula.pdfIn PDF document text
- https://nocnepal.org.np/ckfinder/userfiles/files/godonowaruk.pdfIn PDF document text
- https://drhuanghair.com/uploads/files/202109090920151840.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/65069684160.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/1615509981.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/161408d0d18b01---tewodadaw.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/nuluxuju.pdfIn PDF document text
- https://quimicasorocolor.com.ve/ckfinder/userfiles/files/liwowipijexuredev.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/pasoritokilanutakasuno.pdfIn PDF document text
- http://mnogonomerov.ru/uploads/file/75881503911.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_off0000ae91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE91 | 15716 bytes |
SHA-256: f8ab15e00e8c5bafe1265166bc375b1b29a9123e6a471245e75891b945f63de6 |
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font_01_sfnt_off0000d681.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD681 | 10516 bytes |
SHA-256: fb5a96e2ddfc1c66bf4a5af3adc35c62955c8ccd24b4897de847091b86e67598 |
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font_02_sfnt_off0000ee97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE97 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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