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 malicious content. The presence of numerous external URIs, many hosted on disposable domains, suggests a link farm designed to redirect users to potentially malicious sites. The document body is heavily obfuscated, but the overall structure and URL patterns point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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://allytemp.ru/uplcv?utm_term=good+free+ringtone+apps+for+android PDF link annotation
- https://www.mnogotrop.com/ckfinder/userfiles/files/renupadubusenemudateba.pdfIn PDF document text
- https://borsalino.ro/imagini_ws/judatukorixawarupimarik.pdfIn PDF document text
- http://kamkmori.cz/ckfinder/userfiles/files/2428068388.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/10470199426.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/49342794896.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c42cd2469f---nagebebefox.pdfIn PDF document text
- http://eichler-kammerer.de/funis.pdfIn PDF document text
- https://alshaabcoop.com/userfiles/file/gubijalolonorisipopuxo.pdfIn PDF document text
- http://myphamnanyno.com/luutru/files/milufoxotevimateviwiko.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1614f33b6cae40---45292035181.pdfIn PDF document text
- https://thefertilizergranulator.com/d/files/47714142740.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/file/romuwunezot.pdfIn PDF document text
- http://rurisnet.org/images/file/guwajopopetipenuwijeza.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/xuwuderulexikotapitef.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/tuwiwigezepiwerarupesenuk.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/59159571870.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/xuzawovaxaxo.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/67041966713.pdfIn PDF document text
- http://torgoborud.org/images/file/73860422361.pdfIn PDF document text
- https://aletihad-group.com/userfiles/files/tugilobipofavorivegutibe.pdfIn PDF document text
- https://eccdc.org/application/webroot/userfiles/file/38701597470.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/fetigedolapamitenuleju.pdfIn PDF document text
- https://webmanagement.jbclub.ro/images/file/15732274538.pdfIn PDF document text
- http://desushibar.com/userfiles/file/sewipupenotafixasazosijon.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_off0000adc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADC5 | 14980 bytes |
SHA-256: bc7bb7bfc6c988db30af88e80bdeb8357114633fda156bc47e5822ab9c722143 |
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font_01_sfnt_off0000d2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB09 | 10664 bytes |
SHA-256: c0d3ed5c748193f87d0e36decf33fe1ad440046da606d8f6fa0deaf2bf3c9ce3 |
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