MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1110.003 Software/Configuration Tampering: Multi-Factor Authentication
This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. The embedded JavaScript and numerous external links, including one pointing to compromised WordPress upload storage, suggest an attempt to redirect users to malicious sites. The heuristic 'SE_MFA_LURE' strongly indicates the document's purpose is to harvest credentials by requesting MFA approval or one-time codes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 8
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://tnmetalworks.com/images/files/97458224825.pdf
- https://tebra.si/userfiles/file/23361872636.pdf
- http://caogenzhiben.com/filespath/files/20210907092935.pdf
- http://www.insight-assessment.com/ckfinder/userfiles/files/kifimonaniromun.pdf
- http://mayjack.com/upload/files/lotedasovebiguvipetese.pdf
- https://nomaquito-travel.com/editor-images/86294490710.pdf
- http://ssaisarang.com/ckfinder/userfiles/files/vupesoradazekomopetuxa.pdf
- http://immobilieninvestors.com/userfiles/file/jeziparivofenejututiveb.pdf
- http://fruitvita.com/files/files/xufagonofekidomikus.pdf
- http://word.mn/uploads/assets/wopew.pdf
- https://kimcert.org/E/file/38169624412.pdf
- http://lauraestetica.com/userfiles/files/46283168963.pdf
- https://futurefacesnyc.com/uploads/file/jagepowitasafemap.pdf
- http://intertexmedical.com/userfiles/files/83906935418.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/f6h9la8mdo35hbtdr7crj9h5tj/wadikefimawibibap.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/e3496d887abbfecde01cc3026454522e/vovopememikusorevawogox.pdf
- https://appchecar.com/ckfinder/userfiles/files/xavolopesusegibokureza.pdf
- http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/kujerajajuvaxati.pdf
- https://tainandentist.com/uploads/files/202109031359416518.pdf
- https://zagorjeadventureteam.hr/files/zagosodope.pdf
- https://sieuthimayphat.com/ckfinder/userfiles/files/fogevoler.pdf
- https://acgroupenterprise.com/userfiles/file/mewexulur.pdf
- http://cathugo-yachts.de/res/wysiwyg/file/97724734610.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135fb9a6deda---52875382064.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=apple+id+recover
- 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_off0000d498.binba4b43073627ea9f3c3cec433db1f8f8000f713558797b1a67d0dee2d22dfa7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD498 | 17196 bytes |
font_01_sfnt_off00010154.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10154 | 16792 bytes |
font_02_sfnt_off0001196b.bin08b66944805ea1238bdd3721287e33796aba08d348a063c0c542b8c28e34fd22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196B | 10024 bytes |
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