MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1539 Steal or Forge Credentials
The sample is a PDF document flagged by multiple heuristics, including ML classification and ClamAV, as malicious. The 'SE_MFA_LURE' heuristic indicates the document is designed to harvest credentials or session tokens by tricking the user into approving a one-time code or MFA prompt. While no scripts were explicitly extracted, the 'PDF_JS' heuristic suggests embedded JavaScript may be involved in the redirection or phishing mechanism. The presence of numerous external URIs, many pointing to potentially disposable domains, further supports a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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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 http://abdon.madteam.net/ckfinder/userfiles/files/70064255009.pdf In PDF document text
- http://www.smpnuenen.nl/images/files/kesagexowelogerexax.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/26637858880.pdfIn PDF document text
- https://trade.inter-ural.ru/ckfinder/userfiles/files/85686164538.pdfIn PDF document text
- https://urbanshapes.in/userfiles/file/22628493177.pdfIn PDF document text
- https://gadesign52.com/uploads/files/202109020206253010.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/zuveniwavofekikijogibuv.pdfIn PDF document text
- http://archbot.pl/files/file/59916118651.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/zodiz.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/75220267837.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613999e7f2db9---mozunefov.pdfIn PDF document text
- http://taemyung.com/data/upload/file/nolopujaxu.pdfIn PDF document text
- http://pastoret.it/userfiles/files/6445200050.pdfIn PDF document text
- https://salondumariagededijon.com/userfiles/file/13398753755.pdfIn PDF document text
- http://dagmar-e.de/userfiles/file/53296965620.pdfIn PDF document text
- https://h16hr15k-h19hr37urn.com/contents/files/xukuxifixopalebijogon.pdfIn PDF document text
- http://hbisan.com/userfiles/file/xipawuk.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613947556dd85---5453549653.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/sejoxufawimaxudagafona.pdfIn PDF document text
- https://krantiservice.com/ckfinder/userfiles/files/4776968889.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/felitozofixexixo.pdfIn PDF document text
- http://www.siposferenc.hu/html/34813265215.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=apple+vs+android+compare+and+contrastPDF link annotation
- 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_off0000dc13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC13 | 10720 bytes |
SHA-256: fdd9b5fc44c989655e7639262f04d94bbb5824485d7a60bb690464b503ebbdef |
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font_01_sfnt_off0000f4c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD4 | 17944 bytes |
SHA-256: d1ce08b287d3d147918e7e585d76448ffcdef45d6e2b2164c4cb2d7e058ea145 |
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