MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and the ML_NYX_PDF_MALICIOUS firing strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://ketchas.ru/uplcv?utm_term=acne+on+chin+and+jawline PDF link annotation
- http://chinalabware.es/d/files/xafugamiberukuri.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/titekadabotaxakikure.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/45607205263.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/37364673242.pdfIn PDF document text
- http://reflita.lt/uploads/files/komosuvozana.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/8911933835.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/zinopusuzuwidopurez.pdfIn PDF document text
- http://fnathservices.com/upload/file/94864512330.pdfIn PDF document text
- https://rwd.webseo.tw/upload/files/lukegifigam.pdfIn PDF document text
- http://parafiasadkowice.pl/pliki/fikonifujuwude.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202110011018104611.pdfIn PDF document text
- http://aldobini.it/userfiles/files/11693271570.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210925233102.pdfIn PDF document text
- http://travelbilet.ru/sites/default/files/file/sizenusekukuma.pdfIn PDF document text
- http://tillyardci.com/userfiles/file/22698625439.pdfIn PDF document text
- http://indago-rovigo.it/userfiles/files/10487705286.pdfIn PDF document text
- http://gradn.ru/uploades/fckeditorfile/56612459241.pdfIn PDF document text
- http://salon-urody-bellis.pl/images/file/26079203771.pdfIn PDF document text
- https://ginecologmuresan.ro/ckfinder/userfiles/files/95934229668.pdfIn PDF document text
- https://hideab.se/tc/Mediagalleri/file/85939441606.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/47739183599.pdfIn PDF document text
- https://kapefashion.com/files/files/29101022824.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/63921154099.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c115756f1---55734638907.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/95552867138.pdfIn PDF document text
- https://laflammerouge.ch/userfiles/files/duvibifi.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_off0000cbff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE411 | 16564 bytes |
SHA-256: beff4804480f7cf695c8cf646e8e9f5fa03a1c07e2d9ce90368435785f2c5fc4 |
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font_02_sfnt_off00010e1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1F | 10300 bytes |
SHA-256: c65ca9af07c9bdb01d45a5b509870dfd1d5f6094a8937f46b1c89d7d0a5ce137 |
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