MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for Pdf.Phishing.Trojan and an ML classifier indicating maliciousness. The heuristics identified the PDF as a link farm on disposable hosting, with numerous external URIs pointing to various domains. While no scripts were extracted, the structure and the nature of the URLs suggest a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://veterky.ru/ckfinder/userfiles/files/15965118709.pdf In PDF document text
- http://ecohouse-lab.de/userfiles/file/vajodanutexurarevujotof.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/fonoposukudoridew.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/71774317298.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/32596809334.pdfIn PDF document text
- http://matraholding.hu/images/userfiles/files/47959107983.pdfIn PDF document text
- https://vyrukrc.lt/userfiles/file/90314919808.pdfIn PDF document text
- http://envigest.cz/upload/file/22058901227.pdfIn PDF document text
- http://schokozentrale.de/idata/64036924538.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/nalojuwitemomuvetosibeku.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16133554812f6c---figozabufavelezon.pdfIn PDF document text
- http://vit-physio.de/file/90743806994.pdfIn PDF document text
- https://bluza-shop.ru/content/File/1589247914.pdfIn PDF document text
- https://lidiyageorgieva.com/ckfinder/userfiles/files/bemut.pdfIn PDF document text
- http://bacvietexpress.com/upload/userfiles/files/44269055205.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613613000aec5---marumunuligavukalebo.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/11595573930.pdfIn PDF document text
- https://gdaniec.com/upload/files/dagerarexinake.pdfIn PDF document text
- http://master-vin.ru/files/file/satisenokizipifosodek.pdfIn PDF document text
- http://ecohort.com/userfiles/files/99254200000.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/xetezonitajebolesukatizof.pdfIn PDF document text
- http://apismorava.eu/docs/webiratomi.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/96719679773.pdfIn PDF document text
- http://moderncarrent.com/user_img/files/16244754343.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/67427314307.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=aac+vs+aptx+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_off0000b449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB449 | 16844 bytes |
SHA-256: 4582aee3304a64311063db2c601c76e4f5fd1bbaf56ac7e935acdf46f8c1aa4d |
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font_01_sfnt_off0000dea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEA7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BE | 10476 bytes |
SHA-256: 78de7de7bc6fbba6cd59a187e8ca8b5a43c7d43c221dc7cbd2aaa6abe3ff8c8f |
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