MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1071.001 Web Protocols
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous links to potentially compromised websites, suggesting it's part of a phishing campaign. The presence of heuristics indicating a password-protected archive lure and an MFA/one-time-code harvesting lure strongly suggests the document's purpose is to trick users into downloading a password-protected payload and then potentially harvesting credentials or session tokens through a subsequent interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://cec-intl.ru/app/webroot/files/file/86261230221.pdf
- https://floraplant.gr/FCKeditor/userimages/file/tatezijegerifufok.pdf
- http://enricobarraco.com/files/63992776197.pdf
- http://xn--b1akwe.xn--p1ai/userfiles/file/dunuxugiwofuzowagevanes.pdf
- http://commandhousecreations.com/uploads/files/fokepun.pdf
- https://highrise.pl/file/74616641099.pdf
- https://cmsschoolkg.org/userfiles/file/3971495831.pdf
- http://mulroyenvironmental.ie/userfiles/file/jubolagokirokaloj.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16092abc6e6200---latedogupigevapiboginub.pdf
- https://abofahed.com/userfiles/file/49590315252.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a54248564d---kabopexodewivitefumar.pdf
- https://service-panev.com/userfiles/xopunuzezatumidefakomekip.pdf
- http://limeitec.com/upfiles/editor/files/80754920192.pdf
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16086b19c3a9a9---5706969160.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a493558e9---41508113339.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c00aadddf6---54785984941.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d0172a4a2---bebigowiwefubewi.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf7f01d8eb---sudujafani.pdf
- https://cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/20518287396.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe2ec9e9d0---13397118793.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cf8b63317---66135274519.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/32782438960.pdf
- http://studiotecnicomartani.eu/userfiles/files/50123230830.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab70333b784---nafunewivar.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+download+aadhar+card+jpg+format
- 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_off0000f1ec.bin44d52c9d8fc74c59bbcb5c81b3a2dde4346b56ce85cfb1ea1339c311cf3c3225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1EC | 16796 bytes |
font_01_sfnt_off00011df2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF2 | 16792 bytes |
font_02_sfnt_off00013609.bin7964d7c6fd6b447059e158d752d0f222b6b36936c00ffd27727fefba17f2e1af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13609 | 10884 bytes |
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