MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1555.003 Credentials from Password Stores
This PDF document is identified as malicious by ClamAV and a machine learning classifier, exhibiting characteristics of a credential harvesting lure. The heuristic 'SE_MFA_LURE' indicates the document likely attempts to trick users into providing one-time codes or MFA approvals, consistent with phishing tactics. Multiple external URLs are embedded, suggesting the document acts as a dropper or redirects to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://smidgel.ru/uplcv?utm_term=skype+skype+for+android PDF link annotation
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/ruzipewukakikonijez.pdfIn PDF document text
- http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/rogojutaxilazuron.pdfIn PDF document text
- http://sartoriaventurini.com/userfiles/files/pilirejupudokazunuz.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/87267863587.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/kofadudopukozafoxofuki.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/40690109792.pdfIn PDF document text
- http://rund.cz/UserFiles/File/movikujirilavide.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/rujedilosubiwo.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f789fa049f---47256030895.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/fufarufomupasemurera.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/32969041888.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/zedugo.pdfIn PDF document text
- http://domexpo.ru/up/file/66464237377.pdfIn PDF document text
- http://z-him.ru/userfiles/file/kegaxelej.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/68214023196.pdfIn PDF document text
- http://campbellelectronics.com/uploads/57374596417.pdfIn PDF document text
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/lubukoj.pdfIn PDF document text
- http://anhhieu.vn/hinhanh/file/22214950781.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613312c65da8b---pojufediwul.pdfIn PDF document text
- https://vas-vill.hu/userfiles/file/xisuzibativonebit.pdfIn PDF document text
- http://enricobarraco.com/files/jawijazivuvidevumunurofik.pdfIn PDF document text
- http://www.kymkarajok.net/tiedostot/files/dexelafazuratenaxunusaged.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_off0000e793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE793 | 10628 bytes |
SHA-256: fc492a083e88e0f1f912008f63de1b2e4b19286c5b65141cb1cadda417a4feee |
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font_01_sfnt_off00010001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10001 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011813.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11813 | 18432 bytes |
SHA-256: 3bac3039ec5d5ea39a6001f610e596bba2a6e88a2299d9984a19cd7ee0a8b0ef |
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