MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs pointing to disposable hosting, suggesting it's designed to redirect users to potentially malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://philabc.ru/uplcv?utm_term=spina+bifida+is+caused+by+which+deficiency PDF link annotation
- http://papianiarch.it/userfiles/files/52232373706.pdfIn PDF document text
- http://interface-referencement.com/userfiles/file/domomupe.pdfIn PDF document text
- http://canissapiens.com/images/uploads/file/tibuvodetuwog.pdfIn PDF document text
- https://ausztriasi.spawellness.hu/upload/hirlevel/files/29219358391.pdfIn PDF document text
- https://nicklason.se/ckfinder/userfiles/files/10400544262.pdfIn PDF document text
- http://aerotherminsulation.com/userfiles/file/xugosapanesegimowo.pdfIn PDF document text
- https://go2germany.ru/files/file/75502794526.pdfIn PDF document text
- https://petandpuppies.com/userfiles/file/didixejutitegevulinejexu.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2bfa688aa---13727776183.pdfIn PDF document text
- http://chiaranannini.com/userfiles/files/61886685978.pdfIn PDF document text
- http://ucg-eg.com/userfiles/file/95835127153.pdfIn PDF document text
- https://ltes2.tw-goods.com/UserFiles/files/fibadusak.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614fc5b74e1a5---89860456790.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/tozuzopisimu.pdfIn PDF document text
- https://www.bankkartya.hu/js/ckfinder/userfiles/files/fiwegodekebajolesotodu.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/7664669114.pdfIn PDF document text
- https://sadhankendra.org/erc/media/litemorege.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/kedazero.pdfIn PDF document text
- http://behtarinekhodetbash.com/files/files/fagoxegokasaselalorawesot.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/viropenovekox.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/84451180950.pdfIn PDF document text
- http://bochkari24.ru/pic/file/vezunopokotebow.pdfIn PDF document text
- http://npas.ru/pic/file/84433849731.pdfIn PDF document text
- https://floridainvestment.cz/files/file/99544907305.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/30518646783.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_off0000affb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c80d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80D | 14692 bytes |
SHA-256: a64e00252bf90aeda49b8d211320cd9024568c7893a726a846ffd6c36fb67332 |
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font_02_sfnt_off0000ed09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED09 | 10868 bytes |
SHA-256: 3f944d420faa56cf3535320ac8ea6fca69b875edab182094f7d60ba24c43b995 |
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