MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs pointing to potentially malicious domains and an IP address. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of hosting numerous small PDFs on disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://smidgel.ru/uplcv?utm_term=emojis+ios+android
- http://adaviestransportltd.com/userfiles/file/24325525690.pdf
- https://alzubidi.com/userfiles/files/98451022314.pdf
- http://favorit.pl/userfiles/file/tajag.pdf
- http://opusincertum.it/userfiles/files/padijazepixorefomi.pdf
- http://studiotecnicodama.it/userfiles/files/71886972728.pdf
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/nimudipesaridewewipiz.pdf
- http://geofer.eu/userfiles/files/72248430013.pdf
- http://157.230.241.115/image/upload/File/99153059122.pdf
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/dibinedaderuj.pdf
- http://www.mamafoundation.cz/ckfinder/userfiles/files/22216687629.pdf
- http://veiligheidssloten.nl/ckfinder/userfiles/files/15888082539.pdf
- http://elma-itc.ru/!upload/files/xetenawodun.pdf
- https://reha.bg/content/upload/file/1054903710.pdf
- http://serextion2006.com/js/upload/files/vafuvubusovovajumujaverir.pdf
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/14621647301.pdf
- http://goforthegreengolfpools.com/userfiles/file/lujutitomega.pdf
- http://haenuri.net/ckupload/files/lofokabeva.pdf
- https://www.mnogotrop.com/ckfinder/userfiles/files/pisoxofiwurobus.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfc6522630---xisitiminorasuxulirulowuk.pdf
- http://condosworld.com/abisol1/userfiles/files/7766388563.pdf
- http://186086.com/upload/files/12562165253.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/03216ced141f66bbb8d32cd7d02f6e9a/13170450273.pdf
- http://megalabsrl.it/userfiles/files/46108152175.pdf
- http://camonetinternational.com/files/file/rufoxufo.pdf
- http://stin-verdon.fr/assets/Image/files/xodomaronixijojabugagop.pdf
- http://ros.by/ckfinder/userfiles/files/pomodasi.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c405.bin48ca94cc35aa3709e3bd03760681d64a15b35dfa27fec7f1ed87639c9b1e2e70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC405 | 20528 bytes |
font_01_sfnt_off0000f97d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF97D | 16792 bytes |
font_02_sfnt_off00011194.bin1531db18c7bd3de0027de3ea0fa9885fec8a75323c14de0eedf855babc2f361b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11194 | 10248 bytes |
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